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 2:25:53 AM (PST) on Saturday, March 7, 2026.
The magnitude 1.7 event occurred 4 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Saturday, March 7, 2026 at 2:25:53 AM (PST)
Saturday, March 7, 2026 at 10:25:53 (UTC)
Distance from San Ramon, CA - 4 km (2 miles) ESE (112 degrees)
Dublin, CA - 7 km (4 miles) N (360 degrees)
Blackhawk, CA - 7 km (4 miles) SSW (202 degrees)
Danville, CA - 8 km (5 miles) SE (137 degrees)
Diablo, CA - 8 km (5 miles) SSE (166 degrees)
Coordinates 37 deg. 46.0 min. N (37.767N), 121 deg. 56.2 min. W (121.936W)
Depth 5.63 km (3.50 miles)
Quality Excellent
Location Quality Parameters Nst=13, Nph=12, Dmin=2.2 km, Rmss=0.09 sec, Erho=0.33 km, Erzz=0.50999999 km, Gp=84 degrees
Event ID# nc75323777
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For more information, see https://earthquake.usgs.gov

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