Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 11:10:58 PM (PDT) on Saturday, August 2, 2025.
The magnitude 1.4 event occurred 11 km (7 miles) S of Ridgemark, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.4 - duration magnitude (Md)
Time Saturday, August 2, 2025 at 11:10:58 PM (PDT)
Sunday, August 3, 2025 at 6:10:58 (UTC)
Distance from Ridgemark, CA - 11 km (7 miles) S (188 degrees)
Hollister, CA - 14 km (9 miles) S (174 degrees)
San Juan Bautista, CA - 20 km (12 miles) SE (136 degrees)
Chualar, CA - 20 km (13 miles) NE (36 degrees)
Salinas, CA - 24 km (15 miles) E (81 degrees)
Coordinates 36 deg. 43.1 min. N (36.718N), 121 deg. 22.9 min. W (121.382W)
Depth 1.84 km (1.10 miles)
Quality Excellent
Location Quality Parameters Nst=30, Nph=34, Dmin=3.4 km, Rmss=0.10 sec, Erho=0.25 km, Erzz=0.65 km, Gp=76 degrees
Event ID# nc75218527
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For more information, see https://earthquake.usgs.gov

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