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

A micro earthquake occurred at 8:30:32 PM (PDT) on Thursday, August 7, 2025.
The magnitude 1.0 event occurred 6 km (4 miles) SSE of Littlerock, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Thursday, August 7, 2025 at 8:30:32 PM (PDT)
Friday, August 8, 2025 at 3:30:32 (UTC)
Distance from Littlerock, CA - 6 km (4 miles) SSE (153 degrees)
Pearblossom, CA - 6 km (4 miles) SW (224 degrees)
Llano, CA - 15 km (9 miles) W (260 degrees)
Vincent, CA - 16 km (10 miles) ESE (103 degrees)
Palmdale, CA - 18 km (11 miles) SE (132 degrees)
Coordinates 34 deg. 28.2 min. N (34.470N), 117 deg. 57.1 min. W (117.951W)
Depth 8.86 km (5.50 miles)
Quality Excellent
Location Quality Parameters Nst=28, Nph=49, Dmin=2.3 km, Rmss=0.14 sec, Erho=0.18 km, Erzz=0.34 km, Gp=37 degrees
Event ID# ci41256088
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