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 11:04:37 PM (PDT) on Tuesday, September 2, 2025.
The magnitude 0.4 event occurred 3 km (2 miles) S of Mammoth Lakes, CA.
The hypocentral depth is 12 km ( 7 miles).


Magnitude 0.4 - duration magnitude (Md)
Time Tuesday, September 2, 2025 at 11:04:37 PM (PDT)
Wednesday, September 3, 2025 at 6:04:37 (UTC)
Distance from Mammoth Lakes, CA - 3 km (2 miles) S (188 degrees)
Yosemite Valley, CA - 54 km (34 miles) ESE (106 degrees)
West Bishop, CA - 54 km (34 miles) WNW (300 degrees)
Dixon Lane-Meadow Creek, CA - 56 km (35 miles) WNW (296 degrees)
Bishop, CA - 59 km (36 miles) WNW (297 degrees)
Coordinates 37 deg. 36.4 min. N (37.606N), 118 deg. 59.1 min. W (118.985W)
Depth 11.93 km (7.40 miles)
Quality Fair
Location Quality Parameters Nst=6, Nph=6, Dmin=3.3 km, Rmss=0.01 sec, Erho=2.61 km, Erzz=1.72000003 km, Gp=166 degrees
Event ID# nc75232537
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