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 0:38:54 AM (PDT) on Wednesday, October 1, 2025.
The magnitude 1.2 event occurred 12 km (8 miles) NE (43 degrees) of East Foothills, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Wednesday, October 1, 2025 at 0:38:54 AM (PDT)
Wednesday, October 1, 2025 at 7:38:54 (UTC)
Distance from East Foothills, CA - 12 km (8 miles) NE (43 degrees)
Alum Rock, CA - 14 km (9 miles) NE (41 degrees)
Milpitas, CA - 17 km (10 miles) ENE (77 degrees)
San Jose, CA - 20 km (13 miles) NE (48 degrees)
Seven Trees, CA - 22 km (14 miles) NNE (28 degrees)
Coordinates 37 deg. 27.7 min. N (37.461N), 121 deg. 43.4 min. W (121.723W)
Depth 9.88 km (6.10 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=7.0 km, Rmss=0.05 sec, Erho=0.43 km, Erzz=1.33000004 km, Gp=92 degrees
Event ID# nc75243381
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For more information, see https://earthquake.usgs.gov

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