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 8:43:39 PM (PDT) on Monday, October 13, 2025.
The magnitude 2.2 event occurred 24 km (15 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 2.2 - duration magnitude (Md)
Time Monday, October 13, 2025 at 8:43:39 PM (PDT)
Tuesday, October 14, 2025 at 3:43:39 (UTC)
Distance from Mammoth Lakes, CA - 24 km (15 miles) SSE (159 degrees)
West Bishop, CA - 38 km (24 miles) WNW (282 degrees)
Dixon Lane-Meadow Creek, CA - 41 km (26 miles) W (277 degrees)
Bishop, CA - 43 km (27 miles) W (280 degrees)
Big Pine, CA - 60 km (37 miles) WNW (300 degrees)
Coordinates 37 deg. 25.9 min. N (37.432N), 118 deg. 52.8 min. W (118.879W)
Depth 3.21 km (2.00 miles)
Quality Fair
Location Quality Parameters Nst=27, Nph=27, Dmin=18.1 km, Rmss=0.07 sec, Erho=0.24 km, Erzz=2.20000005 km, Gp=107 degrees
Event ID# nc75248911
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