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 4:15:52 PM (PDT) on Wednesday, October 15, 2025.
The magnitude 1.2 event occurred 23 km (15 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.2 - duration magnitude (Md)
Time Wednesday, October 15, 2025 at 4:15:52 PM (PDT)
Wednesday, October 15, 2025 at 23:15:52 (UTC)
Distance from Mammoth Lakes, CA - 23 km (15 miles) SSE (157 degrees)
West Bishop, CA - 38 km (24 miles) WNW (284 degrees)
Dixon Lane-Meadow Creek, CA - 41 km (25 miles) W (279 degrees)
Bishop, CA - 43 km (27 miles) WNW (282 degrees)
Big Pine, CA - 60 km (37 miles) WNW (301 degrees)
Coordinates 37 deg. 26.6 min. N (37.443N), 118 deg. 52.4 min. W (118.874W)
Depth 2.12 km (1.30 miles)
Quality Fair
Location Quality Parameters Nst=13, Nph=13, Dmin=14.5 km, Rmss=0.05 sec, Erho=0.29 km, Erzz=2.03999996 km, Gp=138 degrees
Event ID# nc75249856
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)