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 micro earthquake occurred at 9:59:10 PM (PDT) on Sunday, August 17, 2025.
The magnitude 0.8 event occurred 3 km (2 miles) S of Highland, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Sunday, August 17, 2025 at 9:59:10 PM (PDT) Monday, August 18, 2025 at 4:59:10 (UTC) |
| Distance from |
Highland, CA - 3 km (2 miles) S (176 degrees) Redlands, CA - 5 km (3 miles) NNW (335 degrees) Mentone, CA - 7 km (4 miles) WNW (295 degrees) Loma Linda, CA - 7 km (5 miles) NE (43 degrees) San Bernardino, CA - 9 km (5 miles) ESE (114 degrees) |
| Coordinates | 34 deg. 5.8 min. N (34.097N), 117 deg. 12.3 min. W (117.206W) |
| Depth | 4.68 km (2.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=23, Nph=37, Dmin=7.2 km, Rmss=0.15 sec, Erho=0.22 km, Erzz=0.5 km, Gp=86 degrees |
| Event ID# | ci40401618 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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