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 3:55:35 AM (PDT) on Thursday, October 9, 2025.
The magnitude 2.5 event occurred 3 km (2 miles) ESE of Berkeley, CA.
The hypocentral depth is 9 km ( 5 miles).


Magnitude 2.5 - duration magnitude (Md)
Time Thursday, October 9, 2025 at 3:55:35 AM (PDT)
Thursday, October 9, 2025 at 10:55:35 (UTC)
Distance from Berkeley, CA - 3 km (2 miles) ESE (117 degrees)
Piedmont, CA - 4 km (2 miles) NNW (348 degrees)
Emeryville, CA - 5 km (3 miles) NE (52 degrees)
Albany, CA - 6 km (4 miles) ESE (122 degrees)
Orinda, CA - 6 km (4 miles) WSW (249 degrees)
Coordinates 37 deg. 51.5 min. N (37.858N), 122 deg. 14.5 min. W (122.241W)
Depth 8.72 km (5.40 miles)
Quality Excellent
Location Quality Parameters Nst=75, Nph=70, Dmin=1.8 km, Rmss=0.06 sec, Erho=0.11 km, Erzz=0.239999995 km, Gp=27 degrees
Event ID# nc75246906
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For more information, see https://earthquake.usgs.gov

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