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 4:21:54 PM (PDT) on Wednesday, October 15, 2025.
The magnitude 1.4 event occurred 24 km (15 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Wednesday, October 15, 2025 at 4:21:54 PM (PDT)
Wednesday, October 15, 2025 at 23:21:54 (UTC)
Distance from Mammoth Lakes, CA - 24 km (15 miles) SSE (157 degrees)
West Bishop, CA - 38 km (24 miles) WNW (283 degrees)
Dixon Lane-Meadow Creek, CA - 41 km (26 miles) W (278 degrees)
Bishop, CA - 43 km (27 miles) W (281 degrees)
Big Pine, CA - 60 km (37 miles) WNW (301 degrees)
Coordinates 37 deg. 26.4 min. N (37.440N), 118 deg. 52.5 min. W (118.875W)
Depth 4.96 km (3.10 miles)
Quality Good
Location Quality Parameters Nst=21, Nph=20, Dmin=14.1 km, Rmss=0.07 sec, Erho=0.29 km, Erzz=1.97000003 km, Gp=140 degrees
Event ID# nc75249861
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For more information, see https://earthquake.usgs.gov

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