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 is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 10:59:53 AM (PDT) on Tuesday, October 7, 2025.
The magnitude 1.8 event occurred 4 km (2 miles) ESE of Talmage, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Tuesday, October 7, 2025 at 10:59:53 AM (PDT)
Tuesday, October 7, 2025 at 17:59:53 (UTC)
Distance from Talmage, CA - 4 km (2 miles) ESE (111 degrees)
Ukiah, CA - 8 km (5 miles) ESE (113 degrees)
Redwood Valley, CA - 17 km (11 miles) SSE (157 degrees)
Upper Lake, CA - 19 km (12 miles) WSW (256 degrees)
North Lakeport, CA - 20 km (12 miles) W (281 degrees)
Coordinates 39 deg. 7.3 min. N (39.121N), 123 deg. 7.7 min. W (123.128W)
Depth 4.48 km (2.80 miles)
Quality Excellent
Location Quality Parameters Nst=19, Nph=18, Dmin=4.5 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=0.800000012 km, Gp=56 degrees
Event ID# nc75246201
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)