Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:29:28 PM (PDT) on Thursday, September 4, 2025.
The magnitude 1.5 event occurred 44 km (27 miles) NE (42 degrees) of Mammoth Lakes, CA.
The hypocentral depth is 12 km ( 7 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Thursday, September 4, 2025 at 10:29:28 PM (PDT)
Friday, September 5, 2025 at 5:29:28 (UTC)
Distance from Mammoth Lakes, CA - 44 km (27 miles) NE (42 degrees)
Dixon Lane-Meadow Creek, CA - 64 km (40 miles) NNW (341 degrees)
West Bishop, CA - 65 km (41 miles) NNW (345 degrees)
Hawthorne, NV - 66 km (41 miles) S (182 degrees)
Bishop, CA - 67 km (41 miles) NNW (341 degrees)
Coordinates 37 deg. 55.8 min. N (37.929N), 118 deg. 38.8 min. W (118.647W)
Depth 11.84 km (7.40 miles)
Quality Good
Location Quality Parameters Nst=29, Nph=31, Dmin=27.7 km, Rmss=0.06 sec, Erho=0.18 km, Erzz=0.69 km, Gp=60 degrees
Event ID# nc75233297
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For more information, see https://earthquake.usgs.gov

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