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 9:39:48 AM (PDT) on Friday, March 28, 2025.
The magnitude 1.3 event occurred 9 km (5 miles) SW of Ridgemark, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Friday, March 28, 2025 at 9:39:48 AM (PDT)
Friday, March 28, 2025 at 16:39:48 (UTC)
Distance from Ridgemark, CA - 9 km (5 miles) SW (227 degrees)
Hollister, CA - 10 km (6 miles) SSW (199 degrees)
San Juan Bautista, CA - 13 km (8 miles) SE (136 degrees)
Salinas, CA - 20 km (13 miles) ENE (65 degrees)
Prunedale, CA - 21 km (13 miles) E (95 degrees)
Coordinates 36 deg. 45.6 min. N (36.760N), 121 deg. 26.1 min. W (121.435W)
Depth 8.83 km (5.50 miles)
Quality Excellent
Location Quality Parameters Nst=7, Nph=7, Dmin=1.2 km, Rmss=0.02 sec, Erho=0.43 km, Erzz=1.03999996 km, Gp=89 degrees
Event ID# nc75156752
Additional Information Map
Waveforms

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

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