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 5:46:58 PM (PDT) on Thursday, October 16, 2025.
The magnitude 2.1 event occurred 10 km (6 miles) NNW of Grapevine, CA.
The hypocentral depth is 15 km ( 9 miles).


Magnitude 2.1 - local magnitude (Ml)
Time Thursday, October 16, 2025 at 5:46:58 PM (PDT)
Friday, October 17, 2025 at 0:46:58 (UTC)
Distance from Grapevine, CA - 10 km (6 miles) NNW (336 degrees)
Frazier Park, CA - 23 km (14 miles) N (353 degrees)
Lebec, CA - 23 km (14 miles) NNW (334 degrees)
Arvin, CA - 24 km (15 miles) SSW (213 degrees)
Pine Mountain Club, CA - 26 km (16 miles) NE (39 degrees)
Coordinates 35 deg. 1.5 min. N (35.025N), 118 deg. 58.4 min. W (118.974W)
Depth 14.88 km (9.20 miles)
Quality Good
Location Quality Parameters Nst=64, Nph=106, Dmin=10.7 km, Rmss=0.24 sec, Erho=0.19 km, Erzz=0.43 km, Gp=24 degrees
Event ID# ci41109735
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