Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:16:20 AM (PDT) on Tuesday, August 5, 2025.
The magnitude 2.4 event occurred 5 km (3 miles) SSW of Los Alamos, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 2.4 - local magnitude (Ml)
Time Tuesday, August 5, 2025 at 4:16:20 AM (PDT)
Tuesday, August 5, 2025 at 11:16:20 (UTC)
Distance from Los Alamos, CA - 5 km (3 miles) SSW (213 degrees)
Vandenberg Village, CA - 15 km (9 miles) E (91 degrees)
Buellton, CA - 15 km (9 miles) NW (314 degrees)
Lompoc, CA - 16 km (10 miles) ENE (61 degrees)
Los Olivos, CA - 18 km (11 miles) WNW (284 degrees)
Coordinates 34 deg. 42.4 min. N (34.706N), 120 deg. 18.5 min. W (120.308W)
Depth 4.25 km (2.60 miles)
Quality Good
Location Quality Parameters Nst=41, Nph=64, Dmin=4.2 km, Rmss=0.22 sec, Erho=0.24 km, Erzz=0.47 km, Gp=79 degrees
Event ID# ci41253536
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