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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 5:02:13 PM (PDT) on Friday, July 25, 2025.
The magnitude 1.1 event occurred 15 km (9 miles) W of Johannesburg, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Friday, July 25, 2025 at 5:02:13 PM (PDT)
Saturday, July 26, 2025 at 0:02:13 (UTC)
Distance from Johannesburg, CA - 15 km (9 miles) W (264 degrees)
California City, CA - 31 km (19 miles) NNE (33 degrees)
Ridgecrest, CA - 31 km (19 miles) SSW (201 degrees)
Inyokern, CA - 32 km (20 miles) S (177 degrees)
Boron, CA - 42 km (26 miles) NNW (342 degrees)
Coordinates 35 deg. 21.5 min. N (35.359N), 117 deg. 47.8 min. W (117.797W)
Depth 7.11 km (4.40 miles)
Quality Good
Location Quality Parameters Nst=31, Nph=55, Dmin=11.1 km, Rmss=0.17 sec, Erho=0.21 km, Erzz=0.99 km, Gp=74 degrees
Event ID# ci41032519
Additional Information Map

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

[ Index map || Big earthquake list || All earthquake list || Glossary of terms || Top page ]
[ Did you feel it? || ShakeMaps || Relative2Me ]
[ Data Sources ]

Special maps
Long Valley || Los Angeles || San Francisco

Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)