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 11:50:42 PM (PDT) on Monday, July 21, 2025.
The magnitude 1.4 event occurred 9 km (6 miles) NE (52 degrees) of Milpitas, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Monday, July 21, 2025 at 11:50:42 PM (PDT)
Tuesday, July 22, 2025 at 6:50:42 (UTC)
Distance from Milpitas, CA - 9 km (6 miles) NE (52 degrees)
East Foothills, CA - 11 km (7 miles) N (357 degrees)
Alum Rock, CA - 13 km (8 miles) N (1 degrees)
Fremont, CA - 16 km (10 miles) ESE (116 degrees)
San Jose, CA - 17 km (10 miles) NNE (21 degrees)
Coordinates 37 deg. 28.8 min. N (37.480N), 121 deg. 49.4 min. W (121.824W)
Depth 7.86 km (4.90 miles)
Quality Good
Location Quality Parameters Nst=16, Nph=16, Dmin=3.6 km, Rmss=0.05 sec, Erho=0.52 km, Erzz=0.649999976 km, Gp=120 degrees
Event ID# nc75213307
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