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 11:00:14 AM (PDT) on Monday, July 28, 2025.
The magnitude 1.5 event occurred 14 km (9 miles) NE (53 degrees) of Ridgecrest, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.5 - local magnitude (Ml)
Time Monday, July 28, 2025 at 11:00:14 AM (PDT)
Monday, July 28, 2025 at 18:00:14 (UTC)
Distance from Ridgecrest, CA - 14 km (9 miles) NE (53 degrees)
Searles Valley, CA - 15 km (9 miles) WSW (240 degrees)
Trona, CA - 17 km (11 miles) WSW (244 degrees)
Inyokern, CA - 24 km (15 miles) ENE (77 degrees)
Johannesburg, CA - 37 km (23 miles) NNE (12 degrees)
Coordinates 35 deg. 41.9 min. N (35.698N), 117 deg. 33.0 min. W (117.550W)
Depth 8.31 km (5.20 miles)
Quality Good
Location Quality Parameters Nst=42, Nph=76, Dmin=12.0 km, Rmss=0.15 sec, Erho=0.15 km, Erzz=0.55 km, Gp=44 degrees
Event ID# ci41034615
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