Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #908841: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:25:44 PM (PST) on Monday, December 22, 2025.
The magnitude 1.9 event occurred 49 km (30 miles) N (4 degrees) of Mammoth Lakes, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.9 - local magnitude (Ml)
Time Monday, December 22, 2025 at 8:25:44 PM (PST)
Tuesday, December 23, 2025 at 4:25:44 (UTC)
Distance from Mammoth Lakes, CA - 49 km (30 miles) N (4 degrees)
Hawthorne, NV - 57 km (35 miles) SSW (209 degrees)
Yosemite Valley, CA - 67 km (42 miles) NE (56 degrees)
Smith Valley, NV - 87 km (54 miles) SSE (156 degrees)
Smith, NV - 88 km (54 miles) SSE (157 degrees)
Coordinates 38 deg. 4.5 min. N (38.075N), 118 deg. 56.2 min. W (118.936W)
Depth 2.57 km (1.60 miles)
Quality Fair
Location Quality Parameters Nst=14, Nph=24, Dmin=40.8 km, Rmss=0.06 sec, Erho=0.66 km, Erzz=7.15999985 km, Gp=71 degrees
Event ID# nc75285096
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For more information, see https://earthquake.usgs.gov

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