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 10:20:53 AM (PDT) on Friday, September 19, 2025.
The magnitude 1.1 event occurred 6 km (3 miles) ESE of Coso Junction, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Friday, September 19, 2025 at 10:20:53 AM (PDT)
Friday, September 19, 2025 at 17:20:53 (UTC)
Distance from Coso Junction, CA - 6 km (3 miles) ESE (114 degrees)
Little Lake, CA - 10 km (6 miles) N (8 degrees)
Olancha, CA - 30 km (19 miles) SSE (160 degrees)
Inyokern, CA - 43 km (26 miles) N (350 degrees)
Ridgecrest, CA - 49 km (30 miles) NNW (337 degrees)
Coordinates 36 deg. 1.5 min. N (36.025N), 117 deg. 53.5 min. W (117.892W)
Depth 3.08 km (1.90 miles)
Quality Good
Location Quality Parameters Nst=29, Nph=52, Dmin=1.9 km, Rmss=0.15 sec, Erho=0.17 km, Erzz=0.32 km, Gp=52 degrees
Event ID# ci40446266
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