Explore reported earthquakes in an interactive observatory. Browse historical activity, inspect source reports and view published official aftershock forecasts where available.
Keep earthquake reports with you: download the USGS daily catalogue, bookmark reports, search downloaded places and read saved details offline.
SEISMIC reports detected earthquakes. It is not an early-warning service and does not predict the exact time, place or magnitude of a future earthquake. Official aftershock forecasts apply only to the source's specified region, time window and magnitude threshold. Follow official emergency information.
Internet is required for the Observatory, new catalogue downloads and external source links. Downloaded native reports remain accessible offline. Background push alerts are not included in this build.
