Latest earthquakes map and list (past 24 hours, M2.5+). Tap/click on "gear icon" for options and settings.
Earthquake outlook for the San Francisco Bay region 2014–2043
Using information from recent earthquakes, improved mapping of active faults, and a new model for estimating earthquake probabilities, the 2014 Working Group on California Earthquake Probabilities updated the 30-year earthquake forecast for California.
Rodgers Creek Fault Traced through Santa Rosa
For the first time, scientists at the U.S. Geological Survey have mapped the active surface trace of the Rodgers Creek Fault through the central part of the northern California city of Santa Rosa. Urban development has, until now, obscured its exact location.
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.