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 3:40:41 AM (PST) on Saturday, November 15, 2025.
The magnitude 1.5 event occurred 2 km (2 miles) SE of Pacifica, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Saturday, November 15, 2025 at 3:40:41 AM (PST)
Saturday, November 15, 2025 at 11:40:41 (UTC)
Distance from Pacifica, CA - 2 km (2 miles) SE (134 degrees)
San Bruno, CA - 6 km (4 miles) SW (234 degrees)
Millbrae, CA - 7 km (4 miles) W (270 degrees)
Montara, CA - 8 km (5 miles) NE (35 degrees)
South San Francisco, CA - 8 km (5 miles) SW (220 degrees)
Coordinates 37 deg. 35.9 min. N (37.599N), 122 deg. 28.0 min. W (122.467W)
Depth 9.46 km (5.90 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=3.4 km, Rmss=0.01 sec, Erho=0.41 km, Erzz=0.910000026 km, Gp=113 degrees
Event ID# nc75263546
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For more information, see https://earthquake.usgs.gov

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