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 10:15:48 AM (PDT) on Sunday, August 17, 2025.
The magnitude 1.8 event occurred 11 km (7 miles) NW of Broadmoor, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Sunday, August 17, 2025 at 10:15:48 AM (PDT)
Sunday, August 17, 2025 at 17:15:48 (UTC)
Distance from Broadmoor, CA - 11 km (7 miles) NW (317 degrees)
Daly City, CA - 12 km (7 miles) NW (310 degrees)
Colma, CA - 13 km (8 miles) NW (314 degrees)
Marin City, CA - 13 km (8 miles) SSW (203 degrees)
Sausalito, CA - 13 km (8 miles) SW (214 degrees)
Coordinates 37 deg. 45.5 min. N (37.759N), 122 deg. 34.2 min. W (122.569W)
Depth 8.86 km (5.50 miles)
Quality Good
Location Quality Parameters Nst=25, Nph=24, Dmin=8.2 km, Rmss=0.04 sec, Erho=0.21 km, Erzz=0.50999999 km, Gp=99 degrees
Event ID# nc75225092
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