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 9:11:19 PM (PDT) on Sunday, September 28, 2025.
The magnitude 1.2 event occurred 11 km (7 miles) S of Mammoth Lakes, CA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Sunday, September 28, 2025 at 9:11:19 PM (PDT)
Monday, September 29, 2025 at 4:11:19 (UTC)
Distance from Mammoth Lakes, CA - 11 km (7 miles) S (182 degrees)
West Bishop, CA - 51 km (31 miles) WNW (293 degrees)
Dixon Lane-Meadow Creek, CA - 53 km (33 miles) WNW (288 degrees)
Bishop, CA - 55 km (34 miles) WNW (290 degrees)
Yosemite Valley, CA - 57 km (35 miles) ESE (113 degrees)
Coordinates 37 deg. 32.1 min. N (37.535N), 118 deg. 59.0 min. W (118.984W)
Depth 3.94 km (2.40 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=14, Dmin=9.2 km, Rmss=0.03 sec, Erho=0.76 km, Erzz=1.54999995 km, Gp=131 degrees
Event ID# nc75243237
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)