{
  "@context": {
    "@version": 1.1,
    "schema": "https://schema.org/",
    "usgs": "https://www.usgs.gov/ns/",
    "qudt": "http://qudt.org/schema/qudt/",
    "geo": "http://www.w3.org/2003/01/geo/wgs84_pos#",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "geosparql": "http://www.opengis.net/ont/geosparql#",
    "ssn": "http://www.w3.org/ns/ssn/",
    "sosa": "http://www.w3.org/ns/sosa/",

    "EarthquakeEvent": "schema:Event",
    "SeismicMagnitude": "usgs:SeismicMagnitude",
    "WaterMonitoringLocation": "sosa:FeatureOfInterest",
    "WaterObservation": "sosa:Observation",
    "WaterTimeSeries": "usgs:WaterTimeSeries",

    "id": "@id",
    "type": "@type",

    "mag": "usgs:magnitude",
    "magType": "usgs:magnitudeType",
    "place": "schema:location",
    "time": {
      "@id": "schema:startDate",
      "@type": "xsd:dateTime"
    },
    "updated": {
      "@id": "schema:dateModified",
      "@type": "xsd:dateTime"
    },
    "depth": "usgs:depthKm",
    "latitude": "geo:lat",
    "longitude": "geo:long",
    "alert": "usgs:pagarAlertLevel",
    "tsunami": "usgs:tsunamiFlag",
    "felt": "usgs:dyfiCount",
    "sig": "usgs:significanceScore",
    "status": "schema:eventStatus",
    "url": {
      "@id": "schema:url",
      "@type": "@id"
    },

    "monitoringLocationIdentifier": "sosa:hasFeatureOfInterest",
    "parameterCode": "sosa:observedProperty",
    "values": "sosa:hasResult",
    "units": "qudt:unit",

    "Organization": {
      "@id": "schema:GovernmentOrganization",
      "name": "US Geological Survey",
      "url": "https://www.usgs.gov",
      "sameAs": [
        "https://www.wikidata.org/wiki/Q193755",
        "https://dbpedia.org/resource/United_States_Geological_Survey"
      ]
    },

    "MMI": {
      "@id": "usgs:ModifiedMercalliIntensity",
      "description": "The Modified Mercalli Intensity scale for measuring earthquake shaking intensity"
    },

    "PAGER": {
      "@id": "usgs:PAGER",
      "description": "Prompt Assessment of Global Earthquakes for Response - rapid impact assessment system"
    }
  }
}