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 12:38:32 PM (PDT) on Wednesday, August 19, 2026.
The magnitude 1.5 event occurred 2 km (2 miles) SE of Pacifica, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Wednesday, August 19, 2026 at 12:38:32 PM (PDT)
Wednesday, August 19, 2026 at 19:38:32 (UTC)
Distance from Pacifica, CA - 2 km (2 miles) SE (127 degrees)
San Bruno, CA - 6 km (4 miles) SW (235 degrees)
Millbrae, CA - 7 km (4 miles) W (272 degrees)
Montara, CA - 8 km (5 miles) NE (35 degrees)
South San Francisco, CA - 8 km (5 miles) SW (220 degrees)
Coordinates 37 deg. 36.0 min. N (37.600N), 122 deg. 27.9 min. W (122.465W)
Depth 8.41 km (5.20 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=13, Dmin=3.7 km, Rmss=0.02 sec, Erho=0.58 km, Erzz=0.670000017 km, Gp=102 degrees
Event ID# nc75421402
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For more information, see https://earthquake.usgs.gov

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