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 6:30:01 AM (PDT) on Monday, September 15, 2025.
The magnitude 1.6 event occurred 22 km (13 miles) NE (51 degrees) of Soledad, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Monday, September 15, 2025 at 6:30:01 AM (PDT)
Monday, September 15, 2025 at 13:30:01 (UTC)
Distance from Soledad, CA - 22 km (13 miles) NE (51 degrees)
Greenfield, CA - 27 km (17 miles) NNE (21 degrees)
Gonzales, CA - 28 km (17 miles) E (81 degrees)
Chualar, CA - 34 km (21 miles) E (94 degrees)
Ridgemark, CA - 36 km (22 miles) SE (145 degrees)
Coordinates 36 deg. 32.8 min. N (36.547N), 121 deg. 8.2 min. W (121.137W)
Depth 9.17 km (5.70 miles)
Quality Good
Location Quality Parameters Nst=37, Nph=44, Dmin=5.1 km, Rmss=0.10 sec, Erho=0.19 km, Erzz=0.36 km, Gp=113 degrees
Event ID# nc75238007
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For more information, see https://earthquake.usgs.gov

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