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 0:46:53 AM (PDT) on Thursday, September 25, 2025.
The magnitude 1.3 event occurred 22 km (14 miles) NE (45 degrees) of Greenfield, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Thursday, September 25, 2025 at 0:46:53 AM (PDT)
Thursday, September 25, 2025 at 7:46:53 (UTC)
Distance from Greenfield, CA - 22 km (14 miles) NE (45 degrees)
Soledad, CA - 24 km (15 miles) E (80 degrees)
King City, CA - 28 km (18 miles) N (11 degrees)
Gonzales, CA - 34 km (21 miles) E (99 degrees)
Chualar, CA - 42 km (26 miles) ESE (107 degrees)
Coordinates 36 deg. 27.6 min. N (36.460N), 121 deg. 4.0 min. W (121.067W)
Depth 6.16 km (3.80 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=14, Dmin=1.0 km, Rmss=0.20 sec, Erho=0.61 km, Erzz=1.36000001 km, Gp=62 degrees
Event ID# nc75241717
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