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 7:01:11 AM (PDT) on Sunday, August 10, 2025.
The magnitude 1.3 event occurred 4 km (2 miles) NNW of San Leandro, CA.
The hypocentral depth is 7 km ( 5 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Sunday, August 10, 2025 at 7:01:11 AM (PDT)
Sunday, August 10, 2025 at 14:01:11 (UTC)
Distance from San Leandro, CA - 4 km (2 miles) NNW (344 degrees)
Alameda, CA - 6 km (4 miles) E (96 degrees)
Oakland, CA - 7 km (4 miles) SE (127 degrees)
Ashland, CA - 9 km (5 miles) NW (326 degrees)
Piedmont, CA - 9 km (6 miles) SE (143 degrees)
Coordinates 37 deg. 45.6 min. N (37.759N), 122 deg. 10.1 min. W (122.168W)
Depth 7.33 km (4.60 miles)
Quality Good
Location Quality Parameters Nst=20, Nph=20, Dmin=2.5 km, Rmss=0.16 sec, Erho=0.42 km, Erzz=1.08000004 km, Gp=92 degrees
Event ID# nc75221412
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