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 minor earthquake occurred at 11:59:16 PM (PDT) on Monday, August 4, 2025.
The magnitude 3.9 event occurred 7 km (5 miles) S of Brawley, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 3.9 - moment magnitude (Mw) |
| Time | Monday, August 4, 2025 at 11:59:16 PM (PDT) Tuesday, August 5, 2025 at 6:59:16 (UTC) |
| Distance from |
Brawley, CA - 7 km (5 miles) S (184 degrees) Imperial, CA - 8 km (5 miles) NNE (23 degrees) El Centro, CA - 14 km (9 miles) N (9 degrees) Westmorland, CA - 16 km (10 miles) SSE (150 degrees) Holtville, CA - 18 km (11 miles) NW (308 degrees) |
| Coordinates | 32 deg. 54.8 min. N (32.913N), 115 deg. 32.1 min. W (115.536W) |
| Depth | 16.19 km (10.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=69, Nph=116, Dmin=2.6 km, Rmss=0.32 sec, Erho=0.25 km, Erzz=0.66 km, Gp=36 degrees |
| Event ID# | ci41253336 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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