Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #0: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:29:01 AM (PDT) on Monday, July 27, 2026.
The magnitude 2.8 event occurred 3 km (2 miles) ENE (74 degrees) of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 2.8 - local magnitude (Ml)
Time Monday, July 27, 2026 at 8:29:01 AM (PDT)
Monday, July 27, 2026 at 15:29:01 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) ENE (74 degrees)
Cobb, CA - 4 km (3 miles) S (183 degrees)
Middletown, CA - 10 km (6 miles) WNW (290 degrees)
Hidden Valley Lake, CA - 15 km (9 miles) W (260 degrees)
Lower Lake, CA - 17 km (11 miles) SW (215 degrees)
Coordinates 38 deg. 47.1 min. N (38.784N), 122 deg. 43.5 min. W (122.726W)
Depth 1.33 km (0.80 miles)
Quality Fair
Location Quality Parameters Nst=49, Nph=49, Dmin=5.8 km, Rmss=0.78 sec, Erho=1.8 km, Erzz=1.926 km, Gp=33 degrees
Event ID# nc75406682
Additional Information Map

For more information, see https://earthquake.usgs.gov

[ Index map || Big earthquake list || All earthquake list || Glossary of terms || Top page ]
[ Did you feel it? || ShakeMaps || Relative2Me ]
[ Data Sources ]

Special maps
Long Valley || Los Angeles || San Francisco

Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)