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 2:41:15 AM (PDT) on Monday, March 16, 2026.
The magnitude 1.8 event occurred 3 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 0.50 km (0.30 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Monday, March 16, 2026 at 2:41:15 AM (PDT)
Monday, March 16, 2026 at 9:41:15 (UTC)
Distance from San Ramon, CA - 3 km (2 miles) ESE (108 degrees)
Diablo, CA - 7 km (4 miles) S (175 degrees)
Danville, CA - 7 km (4 miles) SE (141 degrees)
Blackhawk, CA - 7 km (4 miles) SW (216 degrees)
Dublin, CA - 8 km (5 miles) N (350 degrees)
Coordinates 37 deg. 46.4 min. N (37.773N), 121 deg. 57.1 min. W (121.951W)
Depth 0.50 km (0.30 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=13, Dmin=2.3 km, Rmss=0.16 sec, Erho=0.37 km, Erzz=0.99000001 km, Gp=67 degrees
Event ID# nc75328147
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For more information, see https://earthquake.usgs.gov

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