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 4:33:00 AM (PDT) on Monday, October 13, 2025.
The magnitude 1.6 event occurred 24 km (15 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Monday, October 13, 2025 at 4:33:00 AM (PDT)
Monday, October 13, 2025 at 11:33:00 (UTC)
Distance from Mammoth Lakes, CA - 24 km (15 miles) SSE (157 degrees)
West Bishop, CA - 38 km (24 miles) WNW (284 degrees)
Dixon Lane-Meadow Creek, CA - 41 km (25 miles) W (279 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 (118.874W)
Depth 7.16 km (4.40 miles)
Quality Fair
Location Quality Parameters Nst=16, Nph=16, Dmin=17.1 km, Rmss=0.07 sec, Erho=0.41 km, Erzz=2.73000002 km, Gp=153 degrees
Event ID# nc75248626
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