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 10:02:46 AM (PDT) on Monday, September 22, 2025.
The magnitude 2.2 event occurred 21 km (13 miles) NE (45 degrees) of Greenfield, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 2.2 - duration magnitude (Md)
Time Monday, September 22, 2025 at 10:02:46 AM (PDT)
Monday, September 22, 2025 at 17:02:46 (UTC)
Distance from Greenfield, CA - 21 km (13 miles) NE (45 degrees)
Soledad, CA - 23 km (14 miles) E (81 degrees)
King City, CA - 28 km (17 miles) N (10 degrees)
Gonzales, CA - 34 km (21 miles) E (100 degrees)
Chualar, CA - 42 km (26 miles) ESE (108 degrees)
Coordinates 36 deg. 27.4 min. N (36.456N), 121 deg. 4.4 min. W (121.074W)
Depth 7.97 km (5.00 miles)
Quality Good
Location Quality Parameters Nst=47, Nph=42, Dmin=13.9 km, Rmss=0.21 sec, Erho=0.3 km, Erzz=1.25999999 km, Gp=60 degrees
Event ID# nc75240587
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For more information, see https://earthquake.usgs.gov

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