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 12:55:03 PM (PDT) on Friday, October 31, 2025.
The magnitude 1.1 event occurred 18 km (11 miles) E (90 degrees) of Ridgecrest, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Friday, October 31, 2025 at 12:55:03 PM (PDT)
Friday, October 31, 2025 at 19:55:03 (UTC)
Distance from Ridgecrest, CA - 18 km (11 miles) E (90 degrees)
Searles Valley, CA - 18 km (11 miles) SSW (203 degrees)
Trona, CA - 18 km (11 miles) SSW (210 degrees)
Inyokern, CA - 30 km (19 miles) E (95 degrees)
Johannesburg, CA - 31 km (19 miles) NNE (27 degrees)
Coordinates 35 deg. 37.3 min. N (35.621N), 117 deg. 28.8 min. W (117.480W)
Depth 7.78 km (4.80 miles)
Quality Excellent
Location Quality Parameters Nst=23, Nph=38, Dmin=7.0 km, Rmss=0.12 sec, Erho=0.2 km, Erzz=0.52 km, Gp=51 degrees
Event ID# ci41323408
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