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 7:36:58 PM (PDT) on Saturday, March 29, 2025.
The magnitude 1.5 event occurred 16 km (10 miles) W of Johannesburg, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.5 - local magnitude (Ml)
Time Saturday, March 29, 2025 at 7:36:58 PM (PDT)
Sunday, March 30, 2025 at 2:36:58 (UTC)
Distance from Johannesburg, CA - 16 km (10 miles) W (262 degrees)
California City, CA - 30 km (18 miles) NNE (32 degrees)
Ridgecrest, CA - 32 km (20 miles) SSW (202 degrees)
Inyokern, CA - 33 km (20 miles) S (180 degrees)
Boron, CA - 42 km (26 miles) NNW (340 degrees)
Coordinates 35 deg. 21.1 min. N (35.351N), 117 deg. 48.7 min. W (117.811W)
Depth 7.32 km (4.50 miles)
Quality Good
Location Quality Parameters Nst=31, Nph=51, Dmin=9.8 km, Rmss=0.18 sec, Erho=0.26 km, Erzz=0.87 km, Gp=61 degrees
Event ID# ci40912847
Additional Information Map
Waveforms

For more information, see https://earthquake.usgs.gov

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