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 9:24:39 AM (PST) on Friday, November 21, 2025.
The magnitude 1.1 event occurred 13 km (8 miles) E (90 degrees) of Ridgemark, CA.
The hypocentral depth is -0.01 km (-0.00 miles).


Magnitude 1.1 - duration magnitude (Md)
Time Friday, November 21, 2025 at 9:24:39 AM (PST)
Friday, November 21, 2025 at 17:24:39 (UTC)
Distance from Ridgemark, CA - 13 km (8 miles) E (90 degrees)
Hollister, CA - 17 km (10 miles) ESE (104 degrees)
San Juan Bautista, CA - 29 km (18 miles) E (97 degrees)
Chualar, CA - 38 km (24 miles) NE (45 degrees)
Gilroy, CA - 38 km (24 miles) SE (124 degrees)
Coordinates 36 deg. 48.7 min. N (36.812N), 121 deg. 12.9 min. W (121.215W)
Depth -0.01 km (-0.00 miles)
Quality Poor
Location Quality Parameters Nst=7, Nph=7, Dmin=9.6 km, Rmss=0.12 sec, Erho=1.05 km, Erzz=9.38000011 km, Gp=184 degrees
Event ID# nc75267256
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