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 11:07:36 AM (PDT) on Sunday, October 19, 2025.
The magnitude 1.9 event occurred 22 km (14 miles) NE (47 degrees) of Greenfield, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.9 - duration magnitude (Md)
Time Sunday, October 19, 2025 at 11:07:36 AM (PDT)
Sunday, October 19, 2025 at 18:07:36 (UTC)
Distance from Greenfield, CA - 22 km (14 miles) NE (47 degrees)
Soledad, CA - 24 km (15 miles) E (81 degrees)
King City, CA - 28 km (17 miles) NNE (12 degrees)
Gonzales, CA - 35 km (21 miles) E (99 degrees)
Chualar, CA - 43 km (26 miles) ESE (107 degrees)
Coordinates 36 deg. 27.5 min. N (36.458N), 121 deg. 3.8 min. W (121.062W)
Depth 7.57 km (4.70 miles)
Quality Good
Location Quality Parameters Nst=30, Nph=29, Dmin=0.5 km, Rmss=0.16 sec, Erho=0.33 km, Erzz=0.920000017 km, Gp=63 degrees
Event ID# nc75251736
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For more information, see https://earthquake.usgs.gov

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