Latest Earthquakes
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.
Subscribe to Earthquake Hazards Program Highlights
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.
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Earthquakes
Information about real-time earthquakes, online catalog search of archives, seismicity maps and statistics.
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Hazards
US faults, information about seismic hazards in various areas, tools for seismic design values.
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Data & Products
Monitoring, station, and other various seismic data available for download. Data products to view and download.
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Learn
The science of earthquakes, FAQ, glossary, links to earthquake topics, Earthquakes for kids.
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Monitoring
Global, national and regional networks recording earthquakes and crustal movements, maps, station information, real-time seismic waveforms.
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Research
Research projects in the Earthquake Hazards Program, external research support, science center activities, software.