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 11:26:36 PM (PDT) on Wednesday, August 27, 2025.
The magnitude 1.3 event occurred 9 km (6 miles) NNW of Grapevine, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Wednesday, August 27, 2025 at 11:26:36 PM (PDT)
Thursday, August 28, 2025 at 6:26:36 (UTC)
Distance from Grapevine, CA - 9 km (6 miles) NNW (335 degrees)
Frazier Park, CA - 22 km (13 miles) N (353 degrees)
Lebec, CA - 22 km (13 miles) NNW (333 degrees)
Pine Mountain Club, CA - 25 km (15 miles) NE (41 degrees)
Arvin, CA - 25 km (16 miles) SSW (211 degrees)
Coordinates 35 deg. 0.9 min. N (35.016N), 118 deg. 58.3 min. W (118.972W)
Depth 15.61 km (9.70 miles)
Quality Good
Location Quality Parameters Nst=48, Nph=79, Dmin=10.8 km, Rmss=0.21 sec, Erho=0.21 km, Erzz=0.59 km, Gp=28 degrees
Event ID# ci41277176
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