US Geological Survey

USGS Earthquake Catalog API

The USGS Earthquake Catalog API implements the FDSN Event Web Service Specification, providing real-time and historical access to global earthquake data from the USGS National Earthquake Information Center. Query by time, location, magnitude, depth, and other parameters. Returns data in GeoJSON, QuakeML, KML, CSV, or text formats. No authentication required.

GitHub OpenAPI

Documentation

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Documentation
https://earthquake.usgs.gov/fdsnws/event/1/

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/us-geological-survey/refs/heads/main/openapi/usgs-earthquake-catalog-openapi.yml

OpenAPI Specification

usgs-earthquake-catalog-openapi.yml Raw ↑