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 5:31:45 AM (PDT) on Monday, October 27, 2025.
The magnitude 2.0 event occurred 18 km (11 miles) SSE of Ridgemark, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 2.0 - duration magnitude (Md)
Time Monday, October 27, 2025 at 5:31:45 AM (PDT)
Monday, October 27, 2025 at 12:31:45 (UTC)
Distance from Ridgemark, CA - 18 km (11 miles) SSE (158 degrees)
Gonzales, CA - 22 km (14 miles) NE (39 degrees)
Chualar, CA - 23 km (14 miles) ENE (64 degrees)
Hollister, CA - 23 km (14 miles) SSE (155 degrees)
Soledad, CA - 27 km (16 miles) N (7 degrees)
Coordinates 36 deg. 39.7 min. N (36.661N), 121 deg. 17.4 min. W (121.290W)
Depth 2.24 km (1.40 miles)
Quality Good
Location Quality Parameters Nst=24, Nph=24, Dmin=5.6 km, Rmss=0.15 sec, Erho=0.34 km, Erzz=0.889999986 km, Gp=58 degrees
Event ID# nc75255266
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For more information, see https://earthquake.usgs.gov

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