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 9:19:59 AM (PDT) on Monday, September 29, 2025.
The magnitude 1.6 event occurred 8 km (5 miles) ESE of Coso Junction, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.6 - local magnitude (Ml)
Time Monday, September 29, 2025 at 9:19:59 AM (PDT)
Monday, September 29, 2025 at 16:19:59 (UTC)
Distance from Coso Junction, CA - 8 km (5 miles) ESE (111 degrees)
Little Lake, CA - 10 km (6 miles) NNE (20 degrees)
Olancha, CA - 32 km (20 miles) SSE (157 degrees)
Inyokern, CA - 42 km (26 miles) N (353 degrees)
Ridgecrest, CA - 48 km (30 miles) NNW (339 degrees)
Coordinates 36 deg. 1.2 min. N (36.020N), 117 deg. 52.2 min. W (117.870W)
Depth 1.97 km (1.20 miles)
Quality Good
Location Quality Parameters Nst=35, Nph=67, Dmin=2.3 km, Rmss=0.16 sec, Erho=0.12 km, Erzz=0.17 km, Gp=41 degrees
Event ID# ci41100615
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