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 10:48:28 PM (PDT) on Thursday, August 28, 2025.
The magnitude 2.2 event occurred 25 km (15 miles) SSE of Mammoth Lakes, CA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 2.2 - duration magnitude (Md)
Time Thursday, August 28, 2025 at 10:48:28 PM (PDT)
Friday, August 29, 2025 at 5:48:28 (UTC)
Distance from Mammoth Lakes, CA - 25 km (15 miles) SSE (151 degrees)
West Bishop, CA - 35 km (22 miles) WNW (285 degrees)
Dixon Lane-Meadow Creek, CA - 38 km (24 miles) W (280 degrees)
Bishop, CA - 40 km (25 miles) WNW (283 degrees)
Big Pine, CA - 58 km (36 miles) WNW (303 degrees)
Coordinates 37 deg. 26.6 min. N (37.444N), 118 deg. 50.5 min. W (118.842W)
Depth 3.87 km (2.40 miles)
Quality Good
Location Quality Parameters Nst=30, Nph=29, Dmin=16.3 km, Rmss=0.07 sec, Erho=0.23 km, Erzz=1.80999994 km, Gp=99 degrees
Event ID# nc75230227
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