An errant earthquake notification for event ci37161284 was distributed at 4:49pm PDT over the Earthquake Notification System. It was caused by a revision of the historic 1925 M6.8 Santa Barbara earthquake and was misinterpreted by software as a current event. We are working to resolve the issue.
Significant Earthquakes, Past 30 Days
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.
Data & Products
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.
Global, national and regional networks recording earthquakes and crustal movements, maps, station information, real-time seismic waveforms.
Research projects in the Earthquake Hazards Program, external research support, science center activities, software.