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 10:51:44 AM (PDT) on Thursday, October 2, 2025.
The magnitude 1.4 event occurred 7 km (4 miles) NNE (17 degrees) of Greenfield, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Thursday, October 2, 2025 at 10:51:44 AM (PDT)
Thursday, October 2, 2025 at 17:51:44 (UTC)
Distance from Greenfield, CA - 7 km (4 miles) NNE (17 degrees)
Soledad, CA - 11 km (7 miles) ESE (119 degrees)
King City, CA - 20 km (13 miles) NNW (336 degrees)
Gonzales, CA - 25 km (15 miles) SE (126 degrees)
Chualar, CA - 34 km (21 miles) SE (129 degrees)
Coordinates 36 deg. 22.7 min. N (36.378N), 121 deg. 13.3 min. W (121.221W)
Depth 2.82 km (1.80 miles)
Quality Excellent
Location Quality Parameters Nst=20, Nph=19, Dmin=5.0 km, Rmss=0.09 sec, Erho=0.25 km, Erzz=0.75 km, Gp=51 degrees
Event ID# nc75244001
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For more information, see https://earthquake.usgs.gov

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