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 9:07:16 AM (PDT) on Friday, August 22, 2025.
The magnitude 2.1 event occurred 11 km (7 miles) SW of Ridgemark, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 2.1 - duration magnitude (Md)
Time Friday, August 22, 2025 at 9:07:16 AM (PDT)
Friday, August 22, 2025 at 16:07:16 (UTC)
Distance from Ridgemark, CA - 11 km (7 miles) SW (227 degrees)
San Juan Bautista, CA - 13 km (8 miles) SSE (149 degrees)
Hollister, CA - 13 km (8 miles) SSW (205 degrees)
Salinas, CA - 18 km (11 miles) ENE (68 degrees)
Prunedale, CA - 19 km (12 miles) E (101 degrees)
Coordinates 36 deg. 44.6 min. N (36.743N), 121 deg. 27.6 min. W (121.460W)
Depth 6.87 km (4.30 miles)
Quality Good
Location Quality Parameters Nst=45, Nph=43, Dmin=2.6 km, Rmss=0.17 sec, Erho=0.25 km, Erzz=0.620000005 km, Gp=37 degrees
Event ID# nc75227197
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For more information, see https://earthquake.usgs.gov

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