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

A micro earthquake occurred at 5:40:20 AM (PST) on Thursday, December 4, 2025.
The magnitude 2.0 event occurred 19 km (12 miles) W of Palos Verdes Estates, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 2.0 - local magnitude (Ml)
Time Thursday, December 4, 2025 at 5:40:20 AM (PST)
Thursday, December 4, 2025 at 13:40:20 (UTC)
Distance from Palos Verdes Estates, CA - 19 km (12 miles) W (275 degrees)
Manhattan Beach, CA - 19 km (12 miles) WSW (246 degrees)
Hermosa Beach, CA - 19 km (12 miles) WSW (254 degrees)
Redondo Beach, CA - 20 km (12 miles) W (259 degrees)
El Segundo, CA - 20 km (13 miles) SW (236 degrees)
Coordinates 33 deg. 49.0 min. N (33.816N), 118 deg. 35.8 min. W (118.597W)
Depth 9.45 km (5.90 miles)
Quality Fair
Location Quality Parameters Nst=67, Nph=109, Dmin=19.6 km, Rmss=0.24 sec, Erho=0.25 km, Erzz=0.81 km, Gp=81 degrees
Event ID# ci41132383
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