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 11:39:13 AM (PDT) on Friday, August 15, 2025.
The magnitude 1.5 event occurred 1 km (1 miles) NNE (14 degrees) of Loma Linda, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.5 - local magnitude (Ml) |
| Time | Friday, August 15, 2025 at 11:39:13 AM (PDT) Friday, August 15, 2025 at 18:39:13 (UTC) |
| Distance from |
Loma Linda, CA - 1 km (1 miles) NNE (14 degrees) Colton, CA - 5 km (3 miles) ESE (105 degrees) Grand Terrace, CA - 6 km (4 miles) ENE (60 degrees) Redlands, CA - 7 km (4 miles) W (275 degrees) San Bernardino, CA - 8 km (5 miles) SSE (157 degrees) |
| Coordinates | 34 deg. 3.7 min. N (34.061N), 117 deg. 15.4 min. W (117.257W) |
| Depth | 13.78 km (8.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=70, Nph=123, Dmin=5.5 km, Rmss=0.18 sec, Erho=0.14 km, Erzz=0.31 km, Gp=25 degrees |
| Event ID# | ci40399562 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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