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 2:26:31 AM (PST) on Tuesday, November 11, 2025.
The magnitude 1.4 event occurred 4 km (2 miles) SE of San Ramon, CA.
The hypocentral depth is 7 km ( 5 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Tuesday, November 11, 2025 at 2:26:31 AM (PST)
Tuesday, November 11, 2025 at 10:26:31 (UTC)
Distance from San Ramon, CA - 4 km (2 miles) SE (131 degrees)
Dublin, CA - 6 km (4 miles) N (352 degrees)
Blackhawk, CA - 8 km (5 miles) SSW (205 degrees)
Diablo, CA - 9 km (5 miles) S (173 degrees)
Danville, CA - 9 km (5 miles) SE (146 degrees)
Coordinates 37 deg. 45.5 min. N (37.758N), 121 deg. 56.7 min. W (121.945W)
Depth 7.42 km (4.60 miles)
Quality Good
Location Quality Parameters Nst=10, Nph=10, Dmin=3.4 km, Rmss=0.10 sec, Erho=0.43 km, Erzz=1.04999995 km, Gp=122 degrees
Event ID# nc75261876
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For more information, see https://earthquake.usgs.gov

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