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 1:10:01 AM (PDT) on Tuesday, March 24, 2026.
The magnitude 1.7 event occurred 3 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Tuesday, March 24, 2026 at 1:10:01 AM (PDT)
Tuesday, March 24, 2026 at 8:10:01 (UTC)
Distance from San Ramon, CA - 3 km (2 miles) ESE (110 degrees)
Diablo, CA - 7 km (4 miles) S (172 degrees)
Blackhawk, CA - 7 km (4 miles) SSW (212 degrees)
Danville, CA - 7 km (5 miles) SE (141 degrees)
Dublin, CA - 8 km (5 miles) N (352 degrees)
Coordinates 37 deg. 46.3 min. N (37.771N), 121 deg. 56.8 min. W (121.947W)
Depth 5.90 km (3.70 miles)
Quality Excellent
Location Quality Parameters Nst=15, Nph=15, Dmin=2.3 km, Rmss=0.10 sec, Erho=0.32 km, Erzz=0.649999976 km, Gp=66 degrees
Event ID# nc75332262
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For more information, see https://earthquake.usgs.gov

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