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 7:55:00 PM (PDT) on Sunday, March 23, 2025.
The magnitude 2.7 event occurred 15 km (10 miles) W of Johannesburg, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 2.7 - local magnitude (Ml)
Time Sunday, March 23, 2025 at 7:55:00 PM (PDT)
Monday, March 24, 2025 at 2:55:00 (UTC)
Distance from Johannesburg, CA - 15 km (10 miles) W (259 degrees)
California City, CA - 30 km (19 miles) NE (34 degrees)
Ridgecrest, CA - 32 km (20 miles) SSW (200 degrees)
Inyokern, CA - 33 km (21 miles) S (178 degrees)
Boron, CA - 41 km (25 miles) NNW (340 degrees)
Coordinates 35 deg. 20.8 min. N (35.347N), 117 deg. 48.1 min. W (117.801W)
Depth 6.60 km (4.10 miles)
Quality Good
Location Quality Parameters Nst=47, Nph=82, Dmin=9.7 km, Rmss=0.2 sec, Erho=0.19 km, Erzz=0.61 km, Gp=36 degrees
Event ID# ci40908471
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