USGS Earthquakes

earthquake.usgs.govResearchno auth

Real-time feeds, ComCat catalog search, and per-event detail.

ComCat Catalog Search

ASYNCREADNo auth

Returns matching events from the ComCat earthquake catalog by time window and minimum magnitude.

ParametersFormJSON

starttime*

Start of the search window in ISO8601 or USGS datetime format

endtime*

End of the search window in ISO8601 or USGS datetime format

minmagnitude*

Minimum earthquake magnitude threshold for catalog results

cost: 2 credits · balance: 0

curl https://api.openwire.sh/v1/wire/task \
  -X POST \
  -H "X-API-Key: $ANAKIN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "action_id": "act_earthquake_usgs_gov_comcat_catalog_search",
    "params": {
      "starttime": "2026-05-23 00:00:00",
      "endtime": "2026-05-30 23:59:59",
      "minmagnitude": "2.5"
    }
  }'