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 4:35:00 PM (PDT) on Monday, September 15, 2025.
The magnitude 0.4 event occurred 23 km (14 miles) ESE of Little Lake, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Monday, September 15, 2025 at 4:35:00 PM (PDT)
Monday, September 15, 2025 at 23:35:00 (UTC)
Distance from Little Lake, CA - 23 km (14 miles) ESE (117 degrees)
Ridgecrest, CA - 25 km (15 miles) N (359 degrees)
Inyokern, CA - 25 km (15 miles) NNE (29 degrees)
Searles Valley, CA - 26 km (16 miles) WNW (289 degrees)
Trona, CA - 29 km (18 miles) WNW (288 degrees)
Coordinates 35 deg. 50.6 min. N (35.843N), 117 deg. 40.8 min. W (117.681W)
Depth 10.42 km (6.50 miles)
Quality Excellent
Location Quality Parameters Nst=16, Nph=27, Dmin=8.1 km, Rmss=0.14 sec, Erho=0.25 km, Erzz=0.54 km, Gp=77 degrees
Event ID# ci41292032
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