Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:48:51 AM (PDT) on Monday, September 15, 2025.
The magnitude 0.2 event occurred 4 km (2 miles) WSW of Mammoth Lakes, CA.
The hypocentral depth is -0.49 km (-0.30 miles).


Magnitude 0.2 - duration magnitude (Md)
Time Monday, September 15, 2025 at 8:48:51 AM (PDT)
Monday, September 15, 2025 at 15:48:51 (UTC)
Distance from Mammoth Lakes, CA - 4 km (2 miles) WSW (250 degrees)
Yosemite Valley, CA - 51 km (32 miles) ESE (104 degrees)
West Bishop, CA - 58 km (36 miles) WNW (301 degrees)
Dixon Lane-Meadow Creek, CA - 59 km (37 miles) WNW (297 degrees)
Bishop, CA - 62 km (39 miles) WNW (298 degrees)
Coordinates 37 deg. 37.6 min. N (37.626N), 119 deg. 1.0 min. W (119.017W)
Depth -0.49 km (-0.30 miles)
Quality Fair
Location Quality Parameters Nst=7, Nph=8, Dmin=1.2 km, Rmss=0.02 sec, Erho=0.89 km, Erzz=0.54 km, Gp=215 degrees
Event ID# nc75238057
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