{ "cells": [ { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [], "source": [ "import pandas as pd\n", "import matplotlib.pyplot as plt\n", "%matplotlib inline\n", "import numpy as np\n", "from IPython.display import Image\n", "import warnings\n", "warnings.filterwarnings('ignore') # ignores annoying warnings" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "### Lecture 12:\n", "\n", "- Tricks with pandas\n", "- Filtering the pandas way\n", "- concatentating and merging pandas DataFrames\n" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "### Locating and Editing Data\n", "\n", "In the past few lectures we have learned about several different ways to filter data, from masking in **Numpy** arrays, to **filter( )** in the last lecture. Today we are going to learn about filtering pandas DataFrames to accomplish some of the same tasks, but with more flexibility and ease. Pandas provides a powerful way to tease out useful information.\n", "\n", "We will be looking at data on Holocene Eruptions from the Smithsonian Holocene Volcano Database: http://volcano.si.edu/list_volcano_holocene.cfm (Global Volcanism Program, 2013. Volcanoes of the World, v. 4.8.7. Venzke, E (ed.). Smithsonian Institution. Downloaded 14 Mar 2020. https://doi.org/10.5479/si.GVP.VOTW4-2013). This link will download an xml file, which Excel can read, but for Pandas to work on it, you have to convert it to a regular .xls file from within excel. I have done that for you for the following. \n", "\n", "We will see how to filter these data to pull out interesting information on Holocene Eruptions. Let's read in this data and first look at its length. To read an Excel spreadsheet, we can use a new function **pd.read_excel( )**. If you look in the file, you will see that the header is in the second line (not the first), so header=1 in the argument list, after the PATH to the file. " ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Number of Eruptions: 1424\n" ] }, { "data": { "text/html": [ "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "210010 | \n", "West Eifel Volcanic Field | \n", "Germany | \n", "Maar(s) | \n", "Eruption Dated | \n", "8300 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "50.170 | \n", "6.85 | \n", "600 | \n", "Foidite | \n", "Rift zone / Continental crust (>25 km) | \n", "
1 | \n", "210020 | \n", "Chaine des Puys | \n", "France | \n", "Lava dome(s) | \n", "Eruption Dated | \n", "4040 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "45.775 | \n", "2.97 | \n", "1464 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Continental crust (>25 km) | \n", "
2 | \n", "210030 | \n", "Olot Volcanic Field | \n", "Spain | \n", "Pyroclastic cone(s) | \n", "Evidence Credible | \n", "Unknown | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "42.170 | \n", "2.53 | \n", "893 | \n", "Trachybasalt / Tephrite Basanite | \n", "Intraplate / Continental crust (>25 km) | \n", "
3 | \n", "210040 | \n", "Calatrava Volcanic Field | \n", "Spain | \n", "Pyroclastic cone(s) | \n", "Eruption Dated | \n", "3600 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "38.870 | \n", "-4.02 | \n", "1117 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Continental crust (>25 km) | \n", "
4 | \n", "211003 | \n", "Vulsini | \n", "Italy | \n", "Caldera | \n", "Eruption Observed | \n", "104 BCE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "42.600 | \n", "11.93 | \n", "800 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4 | \n", "211003 | \n", "Vulsini | \n", "Italy | \n", "Caldera | \n", "Eruption Observed | \n", "104 BCE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "42.600 | \n", "11.930 | \n", "800 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
6 | \n", "211010 | \n", "Campi Flegrei | \n", "Italy | \n", "Caldera | \n", "Eruption Observed | \n", "1538 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "40.827 | \n", "14.139 | \n", "458 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
7 | \n", "211020 | \n", "Vesuvius | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1944 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "40.821 | \n", "14.426 | \n", "1281 | \n", "Phono-tephrite / Tephri-phonolite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
8 | \n", "211030 | \n", "Ischia | \n", "Italy | \n", "Complex | \n", "Eruption Observed | \n", "1302 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "40.730 | \n", "13.897 | \n", "789 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
10 | \n", "211040 | \n", "Stromboli | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "38.789 | \n", "15.213 | \n", "924 | \n", "Trachyandesite / Basaltic Trachyandesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
4 | \n", "211003 | \n", "Vulsini | \n", "Italy | \n", "Caldera | \n", "Eruption Observed | \n", "104 BCE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "42.600 | \n", "11.930 | \n", "800 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
6 | \n", "211010 | \n", "Campi Flegrei | \n", "Italy | \n", "Caldera | \n", "Eruption Observed | \n", "1538 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "40.827 | \n", "14.139 | \n", "458 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
7 | \n", "211020 | \n", "Vesuvius | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1944 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "40.821 | \n", "14.426 | \n", "1281 | \n", "Phono-tephrite / Tephri-phonolite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
8 | \n", "211030 | \n", "Ischia | \n", "Italy | \n", "Complex | \n", "Eruption Observed | \n", "1302 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "40.730 | \n", "13.897 | \n", "789 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
10 | \n", "211040 | \n", "Stromboli | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "38.789 | \n", "15.213 | \n", "924 | \n", "Trachyandesite / Basaltic Trachyandesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
937 | \n", "321050 | \n", "St. Helens | \n", "United States | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2008 CE | \n", "Canada and Western USA | \n", "USA (Washington) | \n", "46.2 | \n", "-122.18 | \n", "2549 | \n", "Dacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
7 | \n", "211020 | \n", "Vesuvius | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1944 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "40.821 | \n", "14.426 | \n", "1281 | \n", "Phono-tephrite / Tephri-phonolite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
10 | \n", "211040 | \n", "Stromboli | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "38.789 | \n", "15.213 | \n", "924 | \n", "Trachyandesite / Basaltic Trachyandesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
11 | \n", "211041 | \n", "Panarea | \n", "Italy | \n", "Stratovolcano | \n", "Evidence Uncertain | \n", "Unknown | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "38.638 | \n", "15.064 | \n", "399 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
12 | \n", "211042 | \n", "Lipari | \n", "Italy | \n", "Stratovolcano(es) | \n", "Eruption Dated | \n", "1230 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "38.490 | \n", "14.933 | \n", "590 | \n", "Rhyolite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
13 | \n", "211050 | \n", "Vulcano | \n", "Italy | \n", "Stratovolcano(es) | \n", "Eruption Observed | \n", "1890 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "38.404 | \n", "14.962 | \n", "500 | \n", "Trachybasalt / Tephrite Basanite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "210010 | \n", "West Eifel Volcanic Field | \n", "Germany | \n", "Maar(s) | \n", "Eruption Dated | \n", "8300 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "50.170 | \n", "6.85 | \n", "600 | \n", "Foidite | \n", "Rift zone / Continental crust (>25 km) | \n", "
1 | \n", "210020 | \n", "Chaine des Puys | \n", "France | \n", "Lava dome(s) | \n", "Eruption Dated | \n", "4040 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "45.775 | \n", "2.97 | \n", "1464 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Continental crust (>25 km) | \n", "
2 | \n", "210030 | \n", "Olot Volcanic Field | \n", "Spain | \n", "Pyroclastic cone(s) | \n", "Evidence Credible | \n", "Unknown | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "42.170 | \n", "2.53 | \n", "893 | \n", "Trachybasalt / Tephrite Basanite | \n", "Intraplate / Continental crust (>25 km) | \n", "
3 | \n", "210040 | \n", "Calatrava Volcanic Field | \n", "Spain | \n", "Pyroclastic cone(s) | \n", "Eruption Dated | \n", "3600 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "38.870 | \n", "-4.02 | \n", "1117 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Continental crust (>25 km) | \n", "
4 | \n", "211003 | \n", "Vulsini | \n", "Italy | \n", "Caldera | \n", "Eruption Observed | \n", "104 BCE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "42.600 | \n", "11.93 | \n", "800 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
\n", " | Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "
---|---|---|---|---|---|
7 | \n", "Vesuvius | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1944 CE | \n", "
10 | \n", "Stromboli | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "
11 | \n", "Panarea | \n", "Italy | \n", "Stratovolcano | \n", "Evidence Uncertain | \n", "Unknown | \n", "
12 | \n", "Lipari | \n", "Italy | \n", "Stratovolcano(es) | \n", "Eruption Dated | \n", "1230 CE | \n", "
13 | \n", "Vulcano | \n", "Italy | \n", "Stratovolcano(es) | \n", "Eruption Observed | \n", "1890 CE | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1361 | \n", "377020 | \n", "East Gakkel Ridge at 85°E | \n", "Undersea Features | \n", "Submarine | \n", "Evidence Credible | \n", "1999 CE | \n", "Iceland and Arctic Ocean | \n", "Arctic Ocean | \n", "85.608 | \n", "85.250 | \n", "-3800 | \n", "No Data (checked) | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1360 | \n", "376010 | \n", "Jan Mayen | \n", "Norway | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1985 CE | \n", "Iceland and Arctic Ocean | \n", "Atlantic Ocean (Jan Mayen) | \n", "71.082 | \n", "-8.155 | \n", "2197 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1359 | \n", "375010 | \n", "Kolbeinsey Ridge | \n", "Iceland | \n", "Submarine | \n", "Eruption Observed | \n", "1755 CE | \n", "Iceland and Arctic Ocean | \n", "North of Iceland | \n", "66.670 | \n", "-18.500 | \n", "5 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1355 | \n", "373100 | \n", "Tjornes Fracture Zone | \n", "Iceland | \n", "Submarine | \n", "Eruption Observed | \n", "1868 CE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "66.309 | \n", "-17.118 | \n", "-75 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1354 | \n", "373090 | \n", "Theistareykir | \n", "Iceland | \n", "Shield | \n", "Eruption Dated | \n", "900 BCE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "65.833 | \n", "-17.166 | \n", "540 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "210010 | \n", "West Eifel Volcanic Field | \n", "Germany | \n", "Maar(s) | \n", "Eruption Dated | \n", "8300 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "50.170 | \n", "6.850 | \n", "600 | \n", "Foidite | \n", "Rift zone / Continental crust (>25 km) | \n", "
692 | \n", "290350 | \n", "Karpinsky Group | \n", "Russia | \n", "Cone(s) | \n", "Eruption Observed | \n", "1952 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "50.148 | \n", "155.373 | \n", "1326 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
932 | \n", "320811 | \n", "Cayley Volcanic Field | \n", "Canada | \n", "Volcanic field | \n", "Evidence Credible | \n", "Unknown | \n", "Canada and Western USA | \n", "Canada | \n", "50.120 | \n", "-123.280 | \n", "2375 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
930 | \n", "320190 | \n", "Garibaldi Lake | \n", "Canada | \n", "Volcanic field | \n", "Evidence Credible | \n", "Unknown | \n", "Canada and Western USA | \n", "Canada | \n", "49.933 | \n", "-123.000 | \n", "2316 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
931 | \n", "320200 | \n", "Garibaldi | \n", "Canada | \n", "Stratovolcano | \n", "Eruption Dated | \n", "8060 BCE | \n", "Canada and Western USA | \n", "Canada | \n", "49.850 | \n", "-123.000 | \n", "2678 | \n", "Dacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
689 | \n", "290320 | \n", "Nemo Peak | \n", "Russia | \n", "Caldera | \n", "Eruption Observed | \n", "1938 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "49.570 | \n", "154.808 | \n", "1018 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "
817 | \n", "305020 | \n", "Keluo Group | \n", "China | \n", "Pyroclastic cone(s) | \n", "Evidence Credible | \n", "Unknown | \n", "Kamchatka and Mainland Asia | \n", "China (eastern) | \n", "49.370 | \n", "125.920 | \n", "670 | \n", "Trachybasalt / Tephrite Basanite | \n", "Intraplate / Continental crust (>25 km) | \n", "
688 | \n", "290310 | \n", "Tao-Rusyr Caldera | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1952 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "49.350 | \n", "154.700 | \n", "1325 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "
687 | \n", "290300 | \n", "Kharimkotan | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1933 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "49.120 | \n", "154.508 | \n", "1145 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "
684 | \n", "290260 | \n", "Chirinkotan | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2017 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "48.980 | \n", "153.480 | \n", "724 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "
685 | \n", "290270 | \n", "Ekarma | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2010 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "48.958 | \n", "153.930 | \n", "1170 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "
686 | \n", "290290 | \n", "Sinarka | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1878 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "48.873 | \n", "154.182 | \n", "911 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "
978 | \n", "331005 | \n", "West Valley Segment | \n", "Canada | \n", "Submarine | \n", "Unrest / Holocene | \n", "Unknown | \n", "Hawaii and Pacific Ocean | \n", "Pacific Ocean (northern) | \n", "48.780 | \n", "-128.640 | \n", "-2550 | \n", "NaN | \n", "Rift zone / Intermediate crust (15-25 km) | \n", "
933 | \n", "321010 | \n", "Baker | \n", "United States | \n", "Stratovolcano(es) | \n", "Eruption Observed | \n", "1880 CE | \n", "Canada and Western USA | \n", "USA (Washington) | \n", "48.777 | \n", "-121.813 | \n", "3285 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
818 | \n", "305030 | \n", "Wudalianchi | \n", "China | \n", "Volcanic field | \n", "Eruption Observed | \n", "1776 CE | \n", "Kamchatka and Mainland Asia | \n", "China (eastern) | \n", "48.720 | \n", "126.120 | \n", "597 | \n", "Trachybasalt / Tephrite Basanite | \n", "Intraplate / Continental crust (>25 km) | \n", "
812 | \n", "303020 | \n", "Khanuy Gol | \n", "Mongolia | \n", "Volcanic field | \n", "Evidence Credible | \n", "Unknown | \n", "Kamchatka and Mainland Asia | \n", "Mongolia | \n", "48.670 | \n", "102.750 | \n", "1886 | \n", "Trachyandesite / Basaltic Trachyandesite | \n", "Intraplate / Continental crust (>25 km) | \n", "
683 | \n", "290250 | \n", "Raikoke | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2019 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "48.292 | \n", "153.250 | \n", "551 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "
811 | \n", "303010 | \n", "Taryatu-Chulutu | \n", "Mongolia | \n", "Volcanic field | \n", "Eruption Dated | \n", "2980 BCE | \n", "Kamchatka and Mainland Asia | \n", "Mongolia | \n", "48.133 | \n", "99.950 | \n", "2326 | \n", "Trachybasalt / Tephrite Basanite | \n", "Intraplate / Continental crust (>25 km) | \n", "
934 | \n", "321020 | \n", "Glacier Peak | \n", "United States | \n", "Stratovolcano | \n", "Eruption Dated | \n", "1700 CE | \n", "Canada and Western USA | \n", "USA (Washington) | \n", "48.112 | \n", "-121.113 | \n", "3213 | \n", "Dacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
682 | \n", "290240 | \n", "Sarychev Peak | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2019 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "48.092 | \n", "153.200 | \n", "1496 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "
979 | \n", "331010 | \n", "Endeavour Segment | \n", "Canada | \n", "Submarine | \n", "Eruption Dated | \n", "3490 BCE | \n", "Hawaii and Pacific Ocean | \n", "Pacific Ocean (northern) | \n", "47.950 | \n", "-129.100 | \n", "-2050 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
681 | \n", "290220 | \n", "Rasshua | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1957 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "47.770 | \n", "153.020 | \n", "956 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "
680 | \n", "290211 | \n", "Srednii | \n", "Russia | \n", "Submarine | \n", "Evidence Credible | \n", "Unknown | \n", "Kuril Islands | \n", "Kuril Islands | \n", "47.600 | \n", "152.920 | \n", "36 | \n", "No Data (checked) | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "
679 | \n", "290210 | \n", "Ushishur | \n", "Russia | \n", "Caldera | \n", "Eruption Observed | \n", "1884 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "47.520 | \n", "152.800 | \n", "401 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "
816 | \n", "305011 | \n", "Arxan-Chaihe | \n", "China | \n", "Pyroclastic cone(s) | \n", "Eruption Dated | \n", "0 CE | \n", "Kamchatka and Mainland Asia | \n", "China (eastern) | \n", "47.450 | \n", "120.800 | \n", "1677 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Continental crust (>25 km) | \n", "
678 | \n", "290200 | \n", "Ketoi | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1960 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "47.350 | \n", "152.475 | \n", "1172 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "
677 | \n", "290191 | \n", "Uratman | \n", "Russia | \n", "Stratovolcano | \n", "Evidence Credible | \n", "Unknown | \n", "Kuril Islands | \n", "Kuril Islands | \n", "47.120 | \n", "152.250 | \n", "678 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "
676 | \n", "290190 | \n", "Prevo Peak | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1825 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "47.020 | \n", "152.120 | \n", "1360 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "
675 | \n", "290180 | \n", "Zavaritzki Caldera | \n", "Russia | \n", "Caldera | \n", "Eruption Observed | \n", "1957 CE | \n", "Kuril Islands | \n", "Kuril Islands | \n", "46.925 | \n", "151.950 | \n", "624 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "
980 | \n", "331011 | \n", "Cobb Segment | \n", "Canada | \n", "Submarine | \n", "Eruption Dated | \n", "1180 BCE | \n", "Hawaii and Pacific Ocean | \n", "Pacific Ocean (northern) | \n", "46.880 | \n", "-129.330 | \n", "-2100 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "... | \n", "
8 | \n", "211030 | \n", "Ischia | \n", "Italy | \n", "Complex | \n", "Eruption Observed | \n", "1302 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "40.730 | \n", "13.897 | \n", "789 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
581 | \n", "283280 | \n", "Hakkodasan | \n", "Japan | \n", "Stratovolcano(es) | \n", "Eruption Dated | \n", "1550 CE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "40.659 | \n", "140.877 | \n", "1585 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
579 | \n", "283270 | \n", "Iwakisan | \n", "Japan | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1863 CE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "40.656 | \n", "140.303 | \n", "1625 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
36 | \n", "214060 | \n", "Aragats | \n", "Armenia | \n", "Stratovolcano | \n", "Evidence Credible | \n", "Unknown | \n", "Mediterranean and Western Asia | \n", "Western Asia | \n", "40.530 | \n", "44.200 | \n", "4095 | \n", "Andesite / Basaltic Andesite | \n", "Intraplate / Continental crust (>25 km) | \n", "
580 | \n", "283271 | \n", "Towada | \n", "Japan | \n", "Caldera | \n", "Eruption Observed | \n", "915 CE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "40.510 | \n", "140.880 | \n", "1011 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
956 | \n", "323080 | \n", "Lassen Volcanic Center | \n", "United States | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1917 CE | \n", "Canada and Western USA | \n", "USA (California) | \n", "40.492 | \n", "-121.508 | \n", "3187 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
37 | \n", "214070 | \n", "Ghegham Volcanic Ridge | \n", "Armenia | \n", "Volcanic field | \n", "Eruption Dated | \n", "1900 BCE | \n", "Mediterranean and Western Asia | \n", "Western Asia | \n", "40.283 | \n", "45.000 | \n", "3597 | \n", "Andesite / Basaltic Andesite | \n", "Intraplate / Continental crust (>25 km) | \n", "
39 | \n", "214090 | \n", "Porak | \n", "Armenia-Azerbaijan | \n", "Stratovolcano | \n", "Eruption Dated | \n", "778 BCE | \n", "Mediterranean and Western Asia | \n", "Western Asia | \n", "40.028 | \n", "45.740 | \n", "3029 | \n", "Andesite / Basaltic Andesite | \n", "Intraplate / Continental crust (>25 km) | \n", "
577 | \n", "283260 | \n", "Akita-Yakeyama | \n", "Japan | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1997 CE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "39.964 | \n", "140.757 | \n", "1366 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
576 | \n", "283250 | \n", "Hachimantai | \n", "Japan | \n", "Stratovolcano | \n", "Eruption Dated | \n", "5350 BCE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "39.958 | \n", "140.854 | \n", "1613 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
578 | \n", "283262 | \n", "Megata | \n", "Japan | \n", "Maar(s) | \n", "Eruption Dated | \n", "2050 BCE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "39.950 | \n", "139.730 | \n", "291 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
575 | \n", "283240 | \n", "Iwatesan | \n", "Japan | \n", "Complex | \n", "Eruption Observed | \n", "1919 CE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "39.853 | \n", "141.001 | \n", "2038 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Continental crust (>25 km) | \n", "
38 | \n", "214080 | \n", "Vaiyots-Sar | \n", "Armenia | \n", "Pyroclastic cone(s) | \n", "Eruption Dated | \n", "2000 BCE | \n", "Mediterranean and Western Asia | \n", "Western Asia | \n", "39.797 | \n", "45.497 | \n", "2575 | \n", "Andesite / Basaltic Andesite | \n", "Intraplate / Continental crust (>25 km) | \n", "
574 | \n", "283230 | \n", "Akita-Komagatake | \n", "Japan | \n", "Stratovolcano(es) | \n", "Eruption Observed | \n", "1971 CE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "39.761 | \n", "140.799 | \n", "1637 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Continental crust (>25 km) | \n", "
40 | \n", "214100 | \n", "Tskhouk-Karckar | \n", "Armenia-Azerbaijan | \n", "Pyroclastic cone(s) | \n", "Eruption Dated | \n", "3000 BCE | \n", "Mediterranean and Western Asia | \n", "Western Asia | \n", "39.742 | \n", "45.992 | \n", "3139 | \n", "Andesite / Basaltic Andesite | \n", "Intraplate / Continental crust (>25 km) | \n", "
32 | \n", "213040 | \n", "Ararat | \n", "Turkey | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1840 CE | \n", "Mediterranean and Western Asia | \n", "Turkey | \n", "39.700 | \n", "44.300 | \n", "5165 | \n", "Andesite / Basaltic Andesite | \n", "Intraplate / Continental crust (>25 km) | \n", "
1364 | \n", "382002 | \n", "Corvo | \n", "Portugal | \n", "Stratovolcano | \n", "Evidence Credible | \n", "Unknown | \n", "Atlantic Ocean | \n", "Azores | \n", "39.699 | \n", "-31.111 | \n", "718 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Oceanic crust (< 15 km) | \n", "
975 | \n", "328010 | \n", "Dotsero | \n", "United States | \n", "Maar | \n", "Eruption Dated | \n", "2200 BCE | \n", "Canada and Western USA | \n", "USA (Colorado) | \n", "39.661 | \n", "-107.035 | \n", "2230 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Continental crust (>25 km) | \n", "
969 | \n", "326010 | \n", "Soda Lakes | \n", "United States | \n", "Maar(s) | \n", "Evidence Credible | \n", "Unknown | \n", "Canada and Western USA | \n", "USA (Nevada) | \n", "39.530 | \n", "-118.870 | \n", "1251 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Continental crust (>25 km) | \n", "
9 | \n", "211031 | \n", "Palinuro | \n", "Italy | \n", "Submarine | \n", "Eruption Dated | \n", "8040 BCE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "39.480 | \n", "14.830 | \n", "-70 | \n", "Phonolite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
1363 | \n", "382001 | \n", "Flores | \n", "Portugal | \n", "Stratovolcano(es) | \n", "Eruption Dated | \n", "950 BCE | \n", "Atlantic Ocean | \n", "Azores | \n", "39.462 | \n", "-31.216 | \n", "914 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Continental crust (>25 km) | \n", "
31 | \n", "213030 | \n", "Tenduruk Dagi | \n", "Turkey | \n", "Shield | \n", "Eruption Observed | \n", "1855 CE | \n", "Mediterranean and Western Asia | \n", "Turkey | \n", "39.356 | \n", "43.874 | \n", "3514 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Continental crust (>25 km) | \n", "
17 | \n", "211080 | \n", "Marsili | \n", "Italy | \n", "Submarine | \n", "Eruption Dated | \n", "1050 BCE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "39.284 | \n", "14.399 | \n", "-779 | \n", "NaN | \n", "NaN | \n", "
573 | \n", "283220 | \n", "Chokaisan | \n", "Japan | \n", "Stratovolcano(es) | \n", "Eruption Observed | \n", "1974 CE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "39.099 | \n", "140.049 | \n", "2236 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
1368 | \n", "382040 | \n", "Graciosa | \n", "Portugal | \n", "Stratovolcano | \n", "Eruption Dated | \n", "1950 BCE | \n", "Atlantic Ocean | \n", "Azores | \n", "39.020 | \n", "-27.970 | \n", "402 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
957 | \n", "323100 | \n", "Clear Lake | \n", "United States | \n", "Volcanic field | \n", "Evidence Credible | \n", "Unknown | \n", "Canada and Western USA | \n", "USA (California) | \n", "38.970 | \n", "-122.770 | \n", "1439 | \n", "Dacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
971 | \n", "327050 | \n", "Black Rock Desert | \n", "United States | \n", "Volcanic field | \n", "Eruption Dated | \n", "1290 CE | \n", "Canada and Western USA | \n", "USA (Utah) | \n", "38.970 | \n", "-112.500 | \n", "1800 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Continental crust (>25 km) | \n", "
572 | \n", "283210 | \n", "Kurikomayama | \n", "Japan | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1950 CE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "38.961 | \n", "140.788 | \n", "1627 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
3 | \n", "210040 | \n", "Calatrava Volcanic Field | \n", "Spain | \n", "Pyroclastic cone(s) | \n", "Eruption Dated | \n", "3600 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "38.870 | \n", "-4.020 | \n", "1117 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Continental crust (>25 km) | \n", "
10 | \n", "211040 | \n", "Stromboli | \n", "Italy | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "38.789 | \n", "15.213 | \n", "924 | \n", "Trachyandesite / Basaltic Trachyandesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
149 rows × 13 columns
\n", "\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1361 | \n", "377020 | \n", "East Gakkel Ridge at 85°E | \n", "Undersea Features | \n", "Submarine | \n", "Evidence Credible | \n", "1999 CE | \n", "Iceland and Arctic Ocean | \n", "Arctic Ocean | \n", "85.608 | \n", "85.250 | \n", "-3800 | \n", "No Data (checked) | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1360 | \n", "376010 | \n", "Jan Mayen | \n", "Norway | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1985 CE | \n", "Iceland and Arctic Ocean | \n", "Atlantic Ocean (Jan Mayen) | \n", "71.082 | \n", "-8.155 | \n", "2197 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1359 | \n", "375010 | \n", "Kolbeinsey Ridge | \n", "Iceland | \n", "Submarine | \n", "Eruption Observed | \n", "1755 CE | \n", "Iceland and Arctic Ocean | \n", "North of Iceland | \n", "66.670 | \n", "-18.500 | \n", "5 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1355 | \n", "373100 | \n", "Tjornes Fracture Zone | \n", "Iceland | \n", "Submarine | \n", "Eruption Observed | \n", "1868 CE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "66.309 | \n", "-17.118 | \n", "-75 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1354 | \n", "373090 | \n", "Theistareykir | \n", "Iceland | \n", "Shield | \n", "Eruption Dated | \n", "900 BCE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "65.833 | \n", "-17.166 | \n", "540 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1352 | \n", "373080 | \n", "Krafla | \n", "Iceland | \n", "Caldera | \n", "Eruption Observed | \n", "1984 CE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "65.715 | \n", "-16.728 | \n", "800 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1353 | \n", "373082 | \n", "Heidarspordar | \n", "Iceland | \n", "Fissure vent | \n", "Confirmed Eruption | \n", "300 BCE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "65.583 | \n", "-16.817 | \n", "490 | \n", "NaN | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
904 | \n", "314060 | \n", "Imuruk Lake | \n", "United States | \n", "Shield(s) | \n", "Eruption Dated | \n", "300 CE | \n", "Alaska | \n", "Alaska (western) | \n", "65.517 | \n", "-163.450 | \n", "610 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Continental crust (>25 km) | \n", "
1351 | \n", "373070 | \n", "Fremrinamar | \n", "Iceland | \n", "Stratovolcano | \n", "Eruption Dated | \n", "1200 BCE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "65.416 | \n", "-16.666 | \n", "970 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1350 | \n", "373060 | \n", "Askja | \n", "Iceland | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1961 CE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "65.033 | \n", "-16.783 | \n", "1080 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "377020 | \n", "East Gakkel Ridge at 85°E | \n", "Undersea Features | \n", "Submarine | \n", "Evidence Credible | \n", "1999 CE | \n", "Iceland and Arctic Ocean | \n", "Arctic Ocean | \n", "85.608 | \n", "85.250 | \n", "-3800 | \n", "No Data (checked) | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
1 | \n", "376010 | \n", "Jan Mayen | \n", "Norway | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1985 CE | \n", "Iceland and Arctic Ocean | \n", "Atlantic Ocean (Jan Mayen) | \n", "71.082 | \n", "-8.155 | \n", "2197 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
2 | \n", "375010 | \n", "Kolbeinsey Ridge | \n", "Iceland | \n", "Submarine | \n", "Eruption Observed | \n", "1755 CE | \n", "Iceland and Arctic Ocean | \n", "North of Iceland | \n", "66.670 | \n", "-18.500 | \n", "5 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
3 | \n", "373100 | \n", "Tjornes Fracture Zone | \n", "Iceland | \n", "Submarine | \n", "Eruption Observed | \n", "1868 CE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "66.309 | \n", "-17.118 | \n", "-75 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
4 | \n", "373090 | \n", "Theistareykir | \n", "Iceland | \n", "Shield | \n", "Eruption Dated | \n", "900 BCE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "65.833 | \n", "-17.166 | \n", "540 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
\n", " | Volcano Number | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|
Volcano Name | \n", "\n", " | \n", " | \n", " | \n", " | \n", " | \n", " | \n", " | \n", " | \n", " | \n", " | \n", " | \n", " |
East Gakkel Ridge at 85°E | \n", "377020 | \n", "Undersea Features | \n", "Submarine | \n", "Evidence Credible | \n", "1999 CE | \n", "Iceland and Arctic Ocean | \n", "Arctic Ocean | \n", "85.608 | \n", "85.250 | \n", "-3800 | \n", "No Data (checked) | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
Jan Mayen | \n", "376010 | \n", "Norway | \n", "Stratovolcano | \n", "Eruption Observed | \n", "1985 CE | \n", "Iceland and Arctic Ocean | \n", "Atlantic Ocean (Jan Mayen) | \n", "71.082 | \n", "-8.155 | \n", "2197 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
Kolbeinsey Ridge | \n", "375010 | \n", "Iceland | \n", "Submarine | \n", "Eruption Observed | \n", "1755 CE | \n", "Iceland and Arctic Ocean | \n", "North of Iceland | \n", "66.670 | \n", "-18.500 | \n", "5 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
Tjornes Fracture Zone | \n", "373100 | \n", "Iceland | \n", "Submarine | \n", "Eruption Observed | \n", "1868 CE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "66.309 | \n", "-17.118 | \n", "-75 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
Theistareykir | \n", "373090 | \n", "Iceland | \n", "Shield | \n", "Eruption Dated | \n", "900 BCE | \n", "Iceland and Arctic Ocean | \n", "Iceland (northeastern) | \n", "65.833 | \n", "-17.166 | \n", "540 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Oceanic crust (< 15 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "date | \n", "CE/BCE | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
127 | \n", "222161 | \n", "Igwisi Hills | \n", "Tanzania | \n", "Pyroclastic cone(s) | \n", "Eruption Dated | \n", "10450 BCE | \n", "Africa and Red Sea | \n", "Africa (eastern) | \n", "-4.889 | \n", "31.933 | \n", "1146 | \n", "Foidite | \n", "Rift zone / Continental crust (>25 km) | \n", "-10450 | \n", "BCE | \n", "
561 | \n", "283141 | \n", "Nantaisan | \n", "Japan | \n", "Stratovolcano | \n", "Eruption Dated | \n", "9540 BCE | \n", "Japan, Taiwan, Marianas | \n", "Honshu | \n", "36.765 | \n", "139.491 | \n", "2486 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Continental crust (>25 km) | \n", "-9540 | \n", "BCE | \n", "
974 | \n", "327812 | \n", "Red Hill | \n", "United States | \n", "Volcanic field | \n", "Eruption Dated | \n", "9450 BCE | \n", "Canada and Western USA | \n", "USA (New Mexico) | \n", "34.250 | \n", "-108.830 | \n", "2300 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Continental crust (>25 km) | \n", "-9450 | \n", "BCE | \n", "
964 | \n", "324010 | \n", "Black Butte Crater Lava Field | \n", "United States | \n", "Shield | \n", "Eruption Dated | \n", "8400 BCE | \n", "Canada and Western USA | \n", "USA (Idaho) | \n", "43.183 | \n", "-114.352 | \n", "1478 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Continental crust (>25 km) | \n", "-8400 | \n", "BCE | \n", "
1400 | \n", "390022 | \n", "Berlin | \n", "Antarctica | \n", "Shield(s) | \n", "Eruption Dated | \n", "8350 BCE | \n", "Antarctica | \n", "Antarctica and South Sandwich Islands | \n", "-76.050 | \n", "-136.000 | \n", "3478 | \n", "Trachyte / Trachydacite | \n", "Intraplate / Continental crust (>25 km) | \n", "-8350 | \n", "BCE | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "210010 | \n", "West Eifel Volcanic Field | \n", "Germany | \n", "Maar(s) | \n", "Eruption Dated | \n", "8300 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "50.170 | \n", "6.85 | \n", "600 | \n", "Foidite | \n", "Rift zone / Continental crust (>25 km) | \n", "
1 | \n", "210020 | \n", "Chaine des Puys | \n", "France | \n", "Lava dome(s) | \n", "Eruption Dated | \n", "4040 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "45.775 | \n", "2.97 | \n", "1464 | \n", "Basalt / Picro-Basalt | \n", "Rift zone / Continental crust (>25 km) | \n", "
2 | \n", "210030 | \n", "Olot Volcanic Field | \n", "Spain | \n", "Pyroclastic cone(s) | \n", "Evidence Credible | \n", "Unknown | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "42.170 | \n", "2.53 | \n", "893 | \n", "Trachybasalt / Tephrite Basanite | \n", "Intraplate / Continental crust (>25 km) | \n", "
3 | \n", "210040 | \n", "Calatrava Volcanic Field | \n", "Spain | \n", "Pyroclastic cone(s) | \n", "Eruption Dated | \n", "3600 BCE | \n", "Mediterranean and Western Asia | \n", "Western Europe | \n", "38.870 | \n", "-4.02 | \n", "1117 | \n", "Basalt / Picro-Basalt | \n", "Intraplate / Continental crust (>25 km) | \n", "
4 | \n", "211003 | \n", "Vulsini | \n", "Italy | \n", "Caldera | \n", "Eruption Observed | \n", "104 BCE | \n", "Mediterranean and Western Asia | \n", "Italy | \n", "42.600 | \n", "11.93 | \n", "800 | \n", "Trachyte / Trachydacite | \n", "Subduction zone / Continental crust (>25 km) | \n", "
\n", " | Volcano Number | \n", "Volcano Name | \n", "Country | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1235 | \n", "461838 | \n", "Raja-Sabanda | \n", "Indonesia | \n", "Unknown | \n", "NaN | \n", "NaN | \n", "Indonesia | \n", "Sumatra | \n", "-2.228 | \n", "101.430 | \n", "2527 | \n", "NaN | \n", "Unknown | \n", "
1236 | \n", "461839 | \n", "Hulunilo | \n", "Indonesia | \n", "Stratovolcano | \n", "NaN | \n", "NaN | \n", "Indonesia | \n", "Sumatra | \n", "-2.418 | \n", "101.776 | \n", "2469 | \n", "NaN | \n", "Unknown | \n", "
1237 | \n", "461840 | \n", "Tungkat | \n", "Indonesia | \n", "Unknown | \n", "NaN | \n", "NaN | \n", "Indonesia | \n", "Sumatra | \n", "-2.480 | \n", "102.026 | \n", "1576 | \n", "NaN | \n", "Unknown | \n", "
1238 | \n", "464807 | \n", "Ramu-Labumbu | \n", "Indonesia | \n", "Unknown | \n", "NaN | \n", "NaN | \n", "Indonesia | \n", "Lesser Sunda Islands | \n", "-8.416 | \n", "118.207 | \n", "1086 | \n", "NaN | \n", "Unknown | \n", "
1239 | \n", "590835 | \n", "Discovery | \n", "Antarctica | \n", "Stratovolcano | \n", "NaN | \n", "NaN | \n", "Antarctica | \n", "Antarctica and South Sandwich Islands | \n", "-78.374 | \n", "165.015 | \n", "2578 | \n", "NaN | \n", "Intraplate / Continental crust (>25 km) | \n", "
\n", " | Volcano | \n", "Country | \n", "Eruption Start Date | \n", "Eruption Stop Date | \n", "Max VEI | \n", "
---|---|---|---|---|---|
0 | \n", "Kuchinoerabujima | \n", "Japan | \n", "2020 Jan 11 | \n", "2020 Feb 13 (continuing) | \n", "NaN | \n", "
1 | \n", "Semisopochnoi | \n", "United States | \n", "2019 Dec 7 | \n", "2020 Feb 16 (continuing) | \n", "NaN | \n", "
2 | \n", "Nishinoshima | \n", "Japan | \n", "2019 Dec 5 | \n", "2020 Feb 15 (continuing) | \n", "1.0 | \n", "
3 | \n", "Kikai | \n", "Japan | \n", "2019 Nov 2 | \n", "2020 Feb 11 (continuing) | \n", "NaN | \n", "
4 | \n", "Klyuchevskoy | \n", "Russia | \n", "2019 Oct 24 | \n", "2020 Feb 19 (continuing) | \n", "NaN | \n", "
\n", " | Volcano | \n", "Country_x | \n", "Eruption Start Date | \n", "Eruption Stop Date | \n", "Max VEI | \n", "Volcano Number | \n", "Volcano Name | \n", "Country_y | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "date | \n", "CE/BCE | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "Kuchinoerabujima | \n", "Japan | \n", "2020 Jan 11 | \n", "2020 Feb 13 (continuing) | \n", "NaN | \n", "282050.0 | \n", "Kuchinoerabujima | \n", "Japan | \n", "Stratovolcano(es) | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Ryukyu Islands and Kyushu | \n", "30.443 | \n", "130.217 | \n", "657.0 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "2020.0 | \n", "CE | \n", "
1 | \n", "Semisopochnoi | \n", "United States | \n", "2019 Dec 7 | \n", "2020 Feb 16 (continuing) | \n", "NaN | \n", "311060.0 | \n", "Semisopochnoi | \n", "United States | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Alaska | \n", "Aleutian Islands | \n", "51.930 | \n", "179.580 | \n", "1221.0 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "2020.0 | \n", "CE | \n", "
2 | \n", "Nishinoshima | \n", "Japan | \n", "2019 Dec 5 | \n", "2020 Feb 15 (continuing) | \n", "1.0 | \n", "284096.0 | \n", "Nishinoshima | \n", "Japan | \n", "Caldera | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Izu, Volcano, and Mariana Islands | \n", "27.247 | \n", "140.874 | \n", "25.0 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Crustal thickness unknown | \n", "2020.0 | \n", "CE | \n", "
3 | \n", "Kikai | \n", "Japan | \n", "2019 Nov 2 | \n", "2020 Feb 11 (continuing) | \n", "NaN | \n", "282060.0 | \n", "Kikai | \n", "Japan | \n", "Caldera | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Ryukyu Islands and Kyushu | \n", "30.793 | \n", "130.305 | \n", "704.0 | \n", "Rhyolite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "2020.0 | \n", "CE | \n", "
4 | \n", "Klyuchevskoy | \n", "Russia | \n", "2019 Oct 24 | \n", "2020 Feb 19 (continuing) | \n", "NaN | \n", "300260.0 | \n", "Klyuchevskoy | \n", "Russia | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Kamchatka and Mainland Asia | \n", "Kamchatka Peninsula | \n", "56.056 | \n", "160.642 | \n", "4754.0 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Continental crust (>25 km) | \n", "2020.0 | \n", "CE | \n", "
\n", " | Volcano | \n", "Country | \n", "Eruption Start Date | \n", "Eruption Stop Date | \n", "Max VEI | \n", "Volcano Number | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "date | \n", "CE/BCE | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "Kuchinoerabujima | \n", "Japan | \n", "2020 Jan 11 | \n", "2020 Feb 13 (continuing) | \n", "NaN | \n", "282050.0 | \n", "Stratovolcano(es) | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Ryukyu Islands and Kyushu | \n", "30.443 | \n", "130.217 | \n", "657.0 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "2020.0 | \n", "CE | \n", "
1 | \n", "Semisopochnoi | \n", "United States | \n", "2019 Dec 7 | \n", "2020 Feb 16 (continuing) | \n", "NaN | \n", "311060.0 | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Alaska | \n", "Aleutian Islands | \n", "51.930 | \n", "179.580 | \n", "1221.0 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "2020.0 | \n", "CE | \n", "
2 | \n", "Nishinoshima | \n", "Japan | \n", "2019 Dec 5 | \n", "2020 Feb 15 (continuing) | \n", "1.0 | \n", "284096.0 | \n", "Caldera | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Izu, Volcano, and Mariana Islands | \n", "27.247 | \n", "140.874 | \n", "25.0 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Crustal thickness unknown | \n", "2020.0 | \n", "CE | \n", "
3 | \n", "Kikai | \n", "Japan | \n", "2019 Nov 2 | \n", "2020 Feb 11 (continuing) | \n", "NaN | \n", "282060.0 | \n", "Caldera | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Ryukyu Islands and Kyushu | \n", "30.793 | \n", "130.305 | \n", "704.0 | \n", "Rhyolite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "2020.0 | \n", "CE | \n", "
4 | \n", "Klyuchevskoy | \n", "Russia | \n", "2019 Oct 24 | \n", "2020 Feb 19 (continuing) | \n", "NaN | \n", "300260.0 | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Kamchatka and Mainland Asia | \n", "Kamchatka Peninsula | \n", "56.056 | \n", "160.642 | \n", "4754.0 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Continental crust (>25 km) | \n", "2020.0 | \n", "CE | \n", "
\n", " | Volcano | \n", "Country | \n", "Eruption Start Date | \n", "Eruption Stop Date | \n", "Max VEI | \n", "Volcano Number | \n", "Primary Volcano Type | \n", "Activity Evidence | \n", "Last Known Eruption | \n", "Region | \n", "Subregion | \n", "Latitude | \n", "Longitude | \n", "Elevation (m) | \n", "Dominant Rock Type | \n", "Tectonic Setting | \n", "date | \n", "CE/BCE | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "Kuchinoerabujima | \n", "Japan | \n", "2020 Jan 11 | \n", "2020 Feb 13 (continuing) | \n", "NaN | \n", "282050.0 | \n", "Stratovolcano(es) | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Ryukyu Islands and Kyushu | \n", "30.443 | \n", "130.217 | \n", "657.0 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "2020.0 | \n", "CE | \n", "
1 | \n", "Semisopochnoi | \n", "United States | \n", "2019 Dec 7 | \n", "2020 Feb 16 (continuing) | \n", "NaN | \n", "311060.0 | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Alaska | \n", "Aleutian Islands | \n", "51.930 | \n", "179.580 | \n", "1221.0 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Intermediate crust (15-25 km) | \n", "2020.0 | \n", "CE | \n", "
2 | \n", "Nishinoshima | \n", "Japan | \n", "2019 Dec 5 | \n", "2020 Feb 15 (continuing) | \n", "1.0 | \n", "284096.0 | \n", "Caldera | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Izu, Volcano, and Mariana Islands | \n", "27.247 | \n", "140.874 | \n", "25.0 | \n", "Andesite / Basaltic Andesite | \n", "Subduction zone / Crustal thickness unknown | \n", "2020.0 | \n", "CE | \n", "
3 | \n", "Kikai | \n", "Japan | \n", "2019 Nov 2 | \n", "2020 Feb 11 (continuing) | \n", "NaN | \n", "282060.0 | \n", "Caldera | \n", "Eruption Observed | \n", "2020 CE | \n", "Japan, Taiwan, Marianas | \n", "Ryukyu Islands and Kyushu | \n", "30.793 | \n", "130.305 | \n", "704.0 | \n", "Rhyolite | \n", "Subduction zone / Oceanic crust (< 15 km) | \n", "2020.0 | \n", "CE | \n", "
4 | \n", "Klyuchevskoy | \n", "Russia | \n", "2019 Oct 24 | \n", "2020 Feb 19 (continuing) | \n", "NaN | \n", "300260.0 | \n", "Stratovolcano | \n", "Eruption Observed | \n", "2020 CE | \n", "Kamchatka and Mainland Asia | \n", "Kamchatka Peninsula | \n", "56.056 | \n", "160.642 | \n", "4754.0 | \n", "Basalt / Picro-Basalt | \n", "Subduction zone / Continental crust (>25 km) | \n", "2020.0 | \n", "CE | \n", "
\n", " | count | \n", "unique | \n", "top | \n", "freq | \n", "
---|---|---|---|---|
Tectonic Setting | \n", "\n", " | \n", " | \n", " | \n", " |
Intraplate / Continental crust (>25 km) | \n", "1 | \n", "1 | \n", "Stratovolcano | \n", "1 | \n", "
Intraplate / Oceanic crust (< 15 km) | \n", "2 | \n", "2 | \n", "Stratovolcano | \n", "1 | \n", "
Rift zone / Continental crust (>25 km) | \n", "2 | \n", "2 | \n", "Stratovolcano | \n", "1 | \n", "
Rift zone / Intermediate crust (15-25 km) | \n", "1 | \n", "1 | \n", "Shield | \n", "1 | \n", "
Subduction zone / Continental crust (>25 km) | \n", "25 | \n", "4 | \n", "Stratovolcano | \n", "15 | \n", "
Subduction zone / Crustal thickness unknown | \n", "3 | \n", "3 | \n", "Stratovolcano | \n", "1 | \n", "
Subduction zone / Intermediate crust (15-25 km) | \n", "2 | \n", "1 | \n", "Stratovolcano | \n", "2 | \n", "
Subduction zone / Oceanic crust (< 15 km) | \n", "7 | \n", "4 | \n", "Stratovolcano | \n", "3 | \n", "