Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:03:17 AM (PDT) on Thursday, April 23, 2026.
The magnitude 1.1 event occurred 7 km (4 miles) NNE (33 degrees) of East Foothills, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.1 - duration magnitude (Md)
Time Thursday, April 23, 2026 at 10:03:17 AM (PDT)
Thursday, April 23, 2026 at 17:03:17 (UTC)
Distance from East Foothills, CA - 7 km (4 miles) NNE (33 degrees)
Alum Rock, CA - 9 km (6 miles) NNE (32 degrees)
Milpitas, CA - 12 km (7 miles) E (87 degrees)
San Jose, CA - 15 km (9 miles) NE (45 degrees)
Seven Trees, CA - 17 km (11 miles) NNE (19 degrees)
Coordinates 37 deg. 26.0 min. N (37.434N), 121 deg. 46.4 min. W (121.773W)
Depth 8.39 km (5.20 miles)
Quality Excellent
Location Quality Parameters Nst=24, Nph=26, Dmin=3.0 km, Rmss=0.07 sec, Erho=0.19 km, Erzz=0.44 km, Gp=45 degrees
Event ID# nc75350212
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For more information, see https://earthquake.usgs.gov

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