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 3:41:11 AM (PDT) on Sunday, July 20, 2025.
The magnitude 0.9 event occurred 8 km (5 miles) NE (49 degrees) of Coso Junction, CA.
The hypocentral depth is 2 km ( 2 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Sunday, July 20, 2025 at 3:41:11 AM (PDT)
Sunday, July 20, 2025 at 10:41:11 (UTC)
Distance from Coso Junction, CA - 8 km (5 miles) NE (49 degrees)
Little Lake, CA - 18 km (11 miles) N (8 degrees)
Olancha, CA - 24 km (15 miles) SSE (151 degrees)
Inyokern, CA - 50 km (31 miles) N (353 degrees)
Ridgecrest, CA - 56 km (35 miles) NNW (341 degrees)
Coordinates 36 deg. 5.7 min. N (36.094N), 117 deg. 52.7 min. W (117.878W)
Depth 2.41 km (1.50 miles)
Quality Good
Location Quality Parameters Nst=20, Nph=39, Dmin=3.3 km, Rmss=0.12 sec, Erho=0.15 km, Erzz=0.19 km, Gp=100 degrees
Event ID# ci41026879
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