Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 5:44:05 AM (PDT) on Wednesday, July 23, 2025.
The magnitude 0.3 event occurred 13 km (8 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 0.3 - duration magnitude (Md)
Time Wednesday, July 23, 2025 at 5:44:05 AM (PDT)
Wednesday, July 23, 2025 at 12:44:05 (UTC)
Distance from Mammoth Lakes, CA - 13 km (8 miles) SE (128 degrees)
West Bishop, CA - 42 km (26 miles) WNW (302 degrees)
Dixon Lane-Meadow Creek, CA - 44 km (27 miles) WNW (297 degrees)
Bishop, CA - 47 km (29 miles) WNW (299 degrees)
Yosemite Valley, CA - 66 km (41 miles) ESE (107 degrees)
Coordinates 37 deg. 33.9 min. N (37.565N), 118 deg. 51.6 min. W (118.860W)
Depth 1.31 km (0.80 miles)
Quality Fair
Location Quality Parameters Nst=11, Nph=12, Dmin=3.9 km, Rmss=0.04 sec, Erho=0.5 km, Erzz=1.32 km, Gp=191 degrees
Event ID# nc75213927
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For more information, see https://earthquake.usgs.gov

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