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 2:45:22 PM (PDT) on Friday, September 19, 2025.
The magnitude 0.5 event occurred 22 km (14 miles) N (5 degrees) of Ridgecrest, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Friday, September 19, 2025 at 2:45:22 PM (PDT)
Friday, September 19, 2025 at 21:45:22 (UTC)
Distance from Ridgecrest, CA - 22 km (14 miles) N (5 degrees)
Inyokern, CA - 24 km (15 miles) NE (36 degrees)
Searles Valley, CA - 24 km (15 miles) WNW (285 degrees)
Little Lake, CA - 26 km (16 miles) ESE (119 degrees)
Trona, CA - 26 km (16 miles) WNW (285 degrees)
Coordinates 35 deg. 49.3 min. N (35.822N), 117 deg. 39.3 min. W (117.656W)
Depth 7.85 km (4.90 miles)
Quality Excellent
Location Quality Parameters Nst=19, Nph=32, Dmin=5.3 km, Rmss=0.14 sec, Erho=0.2 km, Erzz=0.49 km, Gp=48 degrees
Event ID# ci40446458
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