Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 11:48:06 AM (PDT) on Friday, March 28, 2025.
The magnitude 1.8 event occurred 9 km (6 miles) N of Hollister, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Friday, March 28, 2025 at 11:48:06 AM (PDT)
Friday, March 28, 2025 at 18:48:06 (UTC)
Distance from Hollister, CA - 9 km (6 miles) N (355 degrees)
Ridgemark, CA - 14 km (9 miles) NNW (344 degrees)
San Juan Bautista, CA - 15 km (9 miles) NE (50 degrees)
Gilroy, CA - 16 km (10 miles) ESE (120 degrees)
Aromas, CA - 21 km (13 miles) ENE (77 degrees)
Coordinates 36 deg. 55.9 min. N (36.931N), 121 deg. 24.5 min. W (121.408W)
Depth 7.21 km (4.50 miles)
Quality Good
Location Quality Parameters Nst=48, Nph=48, Dmin=8.9 km, Rmss=0.10 sec, Erho=0.16 km, Erzz=0.59 km, Gp=39 degrees
Event ID# nc75156827
Additional Information Map
First Motion Focal Mechanism

For more information, see https://earthquake.usgs.gov

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