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 9:55:35 PM (PST) on Monday, December 1, 2025.
The magnitude 1.2 event occurred 11 km (7 miles) ENE (76 degrees) of Morgan Hill, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Monday, December 1, 2025 at 9:55:35 PM (PST)
Tuesday, December 2, 2025 at 5:55:35 (UTC)
Distance from Morgan Hill, CA - 11 km (7 miles) ENE (76 degrees)
San Martin, CA - 11 km (7 miles) NE (43 degrees)
Gilroy, CA - 17 km (11 miles) NNE (12 degrees)
Interlaken, CA - 29 km (18 miles) NE (39 degrees)
Seven Trees, CA - 31 km (19 miles) ESE (118 degrees)
Coordinates 37 deg. 9.3 min. N (37.155N), 121 deg. 31.7 min. W (121.529W)
Depth 7.65 km (4.80 miles)
Quality Excellent
Location Quality Parameters Nst=9, Nph=8, Dmin=6.6 km, Rmss=0.03 sec, Erho=0.36 km, Erzz=1.35000002 km, Gp=88 degrees
Event ID# nc75272911
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For more information, see https://earthquake.usgs.gov

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