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 8:44:54 PM (PDT) on Monday, August 18, 2025.
The magnitude 1.0 event occurred 6 km (4 miles) SSE of Mentone, CA.
The hypocentral depth is 17 km (11 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Monday, August 18, 2025 at 8:44:54 PM (PDT) Tuesday, August 19, 2025 at 3:44:54 (UTC) |
| Distance from |
Mentone, CA - 6 km (4 miles) SSE (168 degrees) Redlands, CA - 7 km (4 miles) SE (127 degrees) Calimesa, CA - 7 km (4 miles) WNW (297 degrees) Yucaipa, CA - 7 km (5 miles) WSW (255 degrees) Loma Linda, CA - 13 km (8 miles) ESE (105 degrees) |
| Coordinates | 34 deg. 1.0 min. N (34.017N), 117 deg. 7.2 min. W (117.121W) |
| Depth | 17.23 km (10.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=44, Nph=76, Dmin=2.2 km, Rmss=0.18 sec, Erho=0.19 km, Erzz=0.46 km, Gp=43 degrees |
| Event ID# | ci40402426 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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