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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 9:48:30 AM (PDT) on Monday, October 27, 2025.
The magnitude 1.8 event occurred 9 km (5 miles) ENE (75 degrees) of Coso Junction, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.8 - local magnitude (Ml)
Time Monday, October 27, 2025 at 9:48:30 AM (PDT)
Monday, October 27, 2025 at 16:48:30 (UTC)
Distance from Coso Junction, CA - 9 km (5 miles) ENE (75 degrees)
Little Lake, CA - 15 km (9 miles) NNE (17 degrees)
Olancha, CA - 28 km (17 miles) SSE (151 degrees)
Inyokern, CA - 47 km (29 miles) N (355 degrees)
Ridgecrest, CA - 52 km (32 miles) NNW (342 degrees)
Coordinates 36 deg. 3.9 min. N (36.065N), 117 deg. 51.4 min. W (117.857W)
Depth 2.86 km (1.80 miles)
Quality Good
Location Quality Parameters Nst=32, Nph=60, Dmin=5.8 km, Rmss=0.14 sec, Erho=0.14 km, Erzz=0.39 km, Gp=41 degrees
Event ID# ci41321000
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