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 1:45:59 PM (PDT) on Saturday, October 3, 2026.
The magnitude 2.4 event occurred 9 km (6 miles) E (95 degrees) of Alum Rock, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 2.4 - duration magnitude (Md)
Time Saturday, October 3, 2026 at 1:45:59 PM (PDT)
Saturday, October 3, 2026 at 20:45:59 (UTC)
Distance from Alum Rock, CA - 9 km (6 miles) E (95 degrees)
East Foothills, CA - 9 km (6 miles) ESE (106 degrees)
Seven Trees, CA - 13 km (8 miles) NE (52 degrees)
San Jose, CA - 15 km (10 miles) E (82 degrees)
Buena Vista, CA - 18 km (11 miles) ENE (76 degrees)
Coordinates 37 deg. 21.5 min. N (37.359N), 121 deg. 43.2 min. W (121.720W)
Depth 5.59 km (3.50 miles)
Quality Good
Location Quality Parameters Nst=66, Nph=63, Dmin=11.9 km, Rmss=0.08 sec, Erho=0.13 km, Erzz=0.419999987 km, Gp=37 degrees
Event ID# nc75443676
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