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 10:20:51 PM (PDT) on Sunday, August 3, 2025.
The magnitude 1.0 event occurred 1 km (1 miles) SSE of Loma Linda, CA.
The hypocentral depth is 15 km ( 9 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Sunday, August 3, 2025 at 10:20:51 PM (PDT) Monday, August 4, 2025 at 5:20:51 (UTC) |
| Distance from |
Loma Linda, CA - 1 km (1 miles) SSE (167 degrees) Grand Terrace, CA - 5 km (3 miles) E (82 degrees) Colton, CA - 6 km (4 miles) SE (126 degrees) Redlands, CA - 7 km (5 miles) WSW (257 degrees) San Bernardino, CA - 10 km (6 miles) SSE (162 degrees) |
| Coordinates | 34 deg. 2.4 min. N (34.041N), 117 deg. 15.5 min. W (117.259W) |
| Depth | 14.76 km (9.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=52, Nph=90, Dmin=9.8 km, Rmss=0.15 sec, Erho=0.16 km, Erzz=0.29 km, Gp=52 degrees |
| Event ID# | ci41252456 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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