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 8:57:19 AM (PDT) on Monday, September 29, 2025.
The magnitude 1.2 event occurred 10 km (6 miles) NE (50 degrees) of Gilroy, CA.
The hypocentral depth is 9 km ( 5 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Monday, September 29, 2025 at 8:57:19 AM (PDT)
Monday, September 29, 2025 at 15:57:19 (UTC)
Distance from Gilroy, CA - 10 km (6 miles) NE (50 degrees)
San Martin, CA - 12 km (7 miles) E (101 degrees)
Morgan Hill, CA - 17 km (11 miles) ESE (115 degrees)
Aromas, CA - 24 km (15 miles) NE (36 degrees)
San Juan Bautista, CA - 25 km (16 miles) NNE (12 degrees)
Coordinates 37 deg. 3.9 min. N (37.065N), 121 deg. 28.8 min. W (121.481W)
Depth 8.69 km (5.40 miles)
Quality Excellent
Location Quality Parameters Nst=13, Nph=13, Dmin=4.4 km, Rmss=0.08 sec, Erho=0.35 km, Erzz=1.25 km, Gp=75 degrees
Event ID# nc75243397
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For more information, see https://earthquake.usgs.gov

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