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 event has been reviewed by a seismologist.
A micro earthquake occurred at 0:10:29 AM (PDT) on Monday, August 18, 2025.
The magnitude 0.8 event occurred 3 km (2 miles) S of Highland, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Monday, August 18, 2025 at 0:10:29 AM (PDT) Monday, August 18, 2025 at 7:10:29 (UTC) |
| Distance from |
Highland, CA - 3 km (2 miles) S (175 degrees) Redlands, CA - 6 km (3 miles) NNW (337 degrees) Mentone, CA - 7 km (5 miles) WNW (298 degrees) Loma Linda, CA - 8 km (5 miles) NE (40 degrees) San Bernardino, CA - 9 km (5 miles) ESE (111 degrees) |
| Coordinates | 34 deg. 6.1 min. N (34.102N), 117 deg. 12.4 min. W (117.206W) |
| Depth | 5.68 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=39, Nph=62, Dmin=2.4 km, Rmss=0.18 sec, Erho=0.19 km, Erzz=0.55 km, Gp=45 degrees |
| Event ID# | ci40401666 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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