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 8:10:15 PM (PDT) on Thursday, September 18, 2025.
The magnitude 1.0 event occurred 18 km (11 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Thursday, September 18, 2025 at 8:10:15 PM (PDT)
Friday, September 19, 2025 at 3:10:15 (UTC)
Distance from Mammoth Lakes, CA - 18 km (11 miles) SE (132 degrees)
West Bishop, CA - 38 km (23 miles) WNW (300 degrees)
Dixon Lane-Meadow Creek, CA - 39 km (25 miles) WNW (294 degrees)
Bishop, CA - 42 km (26 miles) WNW (296 degrees)
Big Pine, CA - 62 km (39 miles) NW (311 degrees)
Coordinates 37 deg. 31.7 min. N (37.528N), 118 deg. 49.5 min. W (118.826W)
Depth 4.94 km (3.10 miles)
Quality Fair
Location Quality Parameters Nst=12, Nph=12, Dmin=6.9 km, Rmss=0.02 sec, Erho=0.78 km, Erzz=1.63 km, Gp=222 degrees
Event ID# nc75239352
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)