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 3:21:41 PM (PST) on Friday, November 21, 2025.
The magnitude 1.6 event occurred 26 km (16 miles) NE (36 degrees) of Morgan Hill, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Friday, November 21, 2025 at 3:21:41 PM (PST)
Friday, November 21, 2025 at 23:21:41 (UTC)
Distance from Morgan Hill, CA - 26 km (16 miles) NE (36 degrees)
San Martin, CA - 28 km (18 miles) NNE (23 degrees)
East Foothills, CA - 30 km (19 miles) ESE (103 degrees)
Alum Rock, CA - 31 km (19 miles) E (100 degrees)
Seven Trees, CA - 32 km (20 miles) E (83 degrees)
Coordinates 37 deg. 19.2 min. N (37.319N), 121 deg. 29.0 min. W (121.483W)
Depth 7.69 km (4.80 miles)
Quality Excellent
Location Quality Parameters Nst=13, Nph=13, Dmin=5.6 km, Rmss=0.05 sec, Erho=0.4 km, Erzz=0.819999993 km, Gp=76 degrees
Event ID# nc75267426
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