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 7:50:04 AM (PDT) on Friday, October 31, 2025.
The magnitude 2.0 event occurred 7 km (5 miles) E (90 degrees) of East Foothills, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 2.0 - duration magnitude (Md)
Time Friday, October 31, 2025 at 7:50:04 AM (PDT)
Friday, October 31, 2025 at 14:50:04 (UTC)
Distance from East Foothills, CA - 7 km (5 miles) E (90 degrees)
Alum Rock, CA - 8 km (5 miles) E (79 degrees)
Seven Trees, CA - 14 km (9 miles) NE (42 degrees)
San Jose, CA - 15 km (9 miles) ENE (72 degrees)
Milpitas, CA - 16 km (10 miles) ESE (109 degrees)
Coordinates 37 deg. 22.8 min. N (37.381N), 121 deg. 44.0 min. W (121.733W)
Depth 6.45 km (4.00 miles)
Quality Good
Location Quality Parameters Nst=34, Nph=32, Dmin=9.8 km, Rmss=0.08 sec, Erho=0.16 km, Erzz=0.670000017 km, Gp=33 degrees
Event ID# nc75257136
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For more information, see https://earthquake.usgs.gov

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