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 #4: 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 10:14:04 PM (PST) on Wednesday, February 19, 2025.
The magnitude 1.7 event occurred 5 km (3 miles) ENE (72 degrees) of San Joaquin Hills, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 1.7 - local magnitude (Ml)
Time Wednesday, February 19, 2025 at 10:14:04 PM (PST)
Thursday, February 20, 2025 at 6:14:04 (UTC)
Distance from San Joaquin Hills, CA - 5 km (3 miles) ENE (72 degrees)
Laguna Woods, CA - 5 km (3 miles) WNW (290 degrees)
Irvine, CA - 6 km (4 miles) S (170 degrees)
Aliso Viejo, CA - 8 km (5 miles) NW (325 degrees)
Laguna Hills, CA - 8 km (5 miles) WNW (295 degrees)
Coordinates 33 deg. 37.6 min. N (33.627N), 117 deg. 46.8 min. W (117.780W)
Depth 13.03 km (8.10 miles)
Quality Good
Location Quality Parameters Nst=75, Nph=120, Dmin=4.2 km, Rmss=0.24 sec, Erho=0.22 km, Erzz=0.38 km, Gp=74 degrees
Event ID# ci40189538
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