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 0:22:54 AM (PDT) on Friday, September 12, 2025.
The magnitude 1.2 event occurred 23 km (15 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Friday, September 12, 2025 at 0:22:54 AM (PDT)
Friday, September 12, 2025 at 7:22:54 (UTC)
Distance from Mammoth Lakes, CA - 23 km (15 miles) SE (132 degrees)
West Bishop, CA - 33 km (20 miles) WNW (298 degrees)
Dixon Lane-Meadow Creek, CA - 35 km (22 miles) WNW (291 degrees)
Bishop, CA - 37 km (23 miles) WNW (293 degrees)
Big Pine, CA - 57 km (35 miles) NW (310 degrees)
Coordinates 37 deg. 29.8 min. N (37.496N), 118 deg. 46.9 min. W (118.782W)
Depth 3.31 km (2.10 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=13, Dmin=11.2 km, Rmss=0.05 sec, Erho=0.39 km, Erzz=1.99000001 km, Gp=142 degrees
Event ID# nc75236817
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For more information, see https://earthquake.usgs.gov

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