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 8:36:56 PM (PDT) on Sunday, October 12, 2025.
The magnitude 1.7 event occurred 23 km (14 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Sunday, October 12, 2025 at 8:36:56 PM (PDT)
Monday, October 13, 2025 at 3:36:56 (UTC)
Distance from Mammoth Lakes, CA - 23 km (14 miles) SSE (157 degrees)
West Bishop, CA - 38 km (24 miles) WNW (284 degrees)
Dixon Lane-Meadow Creek, CA - 41 km (26 miles) W (279 degrees)
Bishop, CA - 43 km (27 miles) WNW (282 degrees)
Big Pine, CA - 60 km (38 miles) WNW (301 degrees)
Coordinates 37 deg. 26.7 min. N (37.445N), 118 deg. 52.6 min. W (118.876W)
Depth 9.44 km (5.90 miles)
Quality Fair
Location Quality Parameters Nst=17, Nph=16, Dmin=16.6 km, Rmss=0.07 sec, Erho=0.46 km, Erzz=2.57999992 km, Gp=151 degrees
Event ID# nc75248471
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