openapi: 3.0.3
info:
  title: USGS Earthquake Notifications, Feeds, and Web Services Catalog API
  description: The USGS Earthquake Hazards Program provides real-time earthquake data through the FDSN (International Federation of Digital Seismograph Networks) Event Web Service. This API allows searching the USGS ANSS (Advanced National Seismic System) ComCat earthquake catalog for event data using geographic, temporal, magnitude, and other filters. Responses are available in GeoJSON, CSV, KML, QuakeML, and text formats.
  version: '1.0'
  contact:
    name: USGS Earthquake Hazards Program
    url: https://earthquake.usgs.gov/
    email: shake-admin@usgs.gov
  license:
    name: Public Domain (U.S. Government Work)
    url: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits
  x-generated-from: documentation
servers:
- url: https://earthquake.usgs.gov/fdsnws/event/1
  description: USGS FDSN Event Web Service
tags:
- name: Catalog
  description: Discover available catalogs, contributors, and supported parameter values.
paths:
  /catalogs:
    get:
      operationId: listCatalogs
      summary: USGS List Available Earthquake Catalogs
      description: Return a list of available earthquake catalog sources that can be used to filter event queries.
      tags:
      - Catalog
      parameters:
      - name: format
        in: query
        required: false
        description: Response format.
        schema:
          type: string
          enum:
          - text
          - geojson
          default: text
      responses:
        '200':
          description: List of available earthquake catalogs.
          content:
            text/plain:
              schema:
                type: string
              examples:
                ListCatalogs200Example:
                  summary: Default listCatalogs 200 response
                  x-microcks-default: true
                  value: 'ak

                    ci

                    cn

                    hv

                    ld

                    mb

                    nc

                    nn

                    ok

                    pa

                    pr

                    us

                    uu

                    uw'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /contributors:
    get:
      operationId: listContributors
      summary: USGS List Earthquake Data Contributors
      description: Return a list of data contributors (seismic networks) that provide earthquake information to the USGS catalog.
      tags:
      - Catalog
      parameters:
      - name: format
        in: query
        required: false
        description: Response format.
        schema:
          type: string
          enum:
          - text
          - geojson
          default: text
      responses:
        '200':
          description: List of earthquake data contributors.
          content:
            text/plain:
              schema:
                type: string
              examples:
                ListContributors200Example:
                  summary: Default listContributors 200 response
                  x-microcks-default: true
                  value: 'ak

                    ci

                    cn

                    hv

                    nc

                    us

                    uu'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /version:
    get:
      operationId: getVersion
      summary: USGS Get Earthquake API Version
      description: Return the current version of the USGS FDSN Event Web Service.
      tags:
      - Catalog
      responses:
        '200':
          description: Service version string.
          content:
            text/plain:
              schema:
                type: string
              examples:
                GetVersion200Example:
                  summary: Default getVersion 200 response
                  x-microcks-default: true
                  value: 1.14.1
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK