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 3:09:48 PM (PDT) on Monday, October 13, 2025.
The magnitude 1.0 event occurred 23 km (14 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Monday, October 13, 2025 at 3:09:48 PM (PDT)
Monday, October 13, 2025 at 22:09:48 (UTC)
Distance from Mammoth Lakes, CA - 23 km (14 miles) SSE (152 degrees)
West Bishop, CA - 37 km (23 miles) WNW (287 degrees)
Dixon Lane-Meadow Creek, CA - 40 km (25 miles) W (281 degrees)
Bishop, CA - 42 km (26 miles) WNW (284 degrees)
Big Pine, CA - 60 km (37 miles) WNW (303 degrees)
Coordinates 37 deg. 27.3 min. N (37.455N), 118 deg. 51.3 min. W (118.856W)
Depth 16.43 km (10.20 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=16, Dmin=15.2 km, Rmss=0.07 sec, Erho=0.66 km, Erzz=1.79 km, Gp=158 degrees
Event ID# nc75248831
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For more information, see https://earthquake.usgs.gov

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