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 11:45:36 AM (PDT) on Tuesday, September 30, 2025.
The magnitude 1.6 event occurred 23 km (14 miles) NE (50 degrees) of Soledad, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.6 - duration magnitude (Md)
Time Tuesday, September 30, 2025 at 11:45:36 AM (PDT)
Tuesday, September 30, 2025 at 18:45:36 (UTC)
Distance from Soledad, CA - 23 km (14 miles) NE (50 degrees)
Greenfield, CA - 28 km (17 miles) NNE (21 degrees)
Gonzales, CA - 29 km (18 miles) E (79 degrees)
Chualar, CA - 35 km (22 miles) E (93 degrees)
Ridgemark, CA - 35 km (22 miles) SE (144 degrees)
Coordinates 36 deg. 33.4 min. N (36.556N), 121 deg. 7.8 min. W (121.130W)
Depth 1.06 km (0.70 miles)
Quality Good
Location Quality Parameters Nst=19, Nph=19, Dmin=5.2 km, Rmss=0.24 sec, Erho=0.69 km, Erzz=3.19000006 km, Gp=66 degrees
Event ID# nc75243131
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For more information, see https://earthquake.usgs.gov

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