Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:14:31 PM (PST) on Monday, November 17, 2025.
The magnitude 1.1 event occurred 4 km (2 miles) SE of San Ramon, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.1 - duration magnitude (Md)
Time Monday, November 17, 2025 at 10:14:31 PM (PST)
Tuesday, November 18, 2025 at 6:14:31 (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. 45.4 min. N (37.757N), 121 deg. 56.7 min. W (121.945W)
Depth 7.13 km (4.40 miles)
Quality Excellent
Location Quality Parameters Nst=16, Nph=20, Dmin=3.5 km, Rmss=0.05 sec, Erho=0.24 km, Erzz=0.46 km, Gp=87 degrees
Event ID# nc75264981
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For more information, see https://earthquake.usgs.gov

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