Latest earthquakes map and list (past 24 hours, M2.5+). Tap/click on "gear icon" for options and settings.
USGS Summary for Swarm Activity Near Bombay Beach
An earthquake swarm near Bombay Beach, California, started on 2016 Sept. 26 at 4:03 am (PDT) in the Brawley Seismic Zone, which lies near the southern terminus of the San Andreas Fault.
Uncharted: Exploring one of America’s fastest faults
A team of USGS scientists spent 10 days in the wilderness, exploring one of the fastest-moving faults in America.
The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP), established by Congress in 1977. We monitor and report earthquakes, assess earthquake impacts and hazards, and research the causes and effects of earthquakes.
Information about real-time earthquakes, online catalog search of archives, seismicity maps and statistics.
US faults, information about seismic hazards in various areas, tools for seismic design values.
Monitoring, station, and other various seismic data available for download. Data products to view and download.
The science of earthquakes, FAQ, glossary, links to earthquake topics, Earthquakes for kids.