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 4:24:59 AM (PDT) on Monday, August 18, 2025.
The magnitude 1.8 event occurred 5 km (3 miles) S of Lytle Creek, CA.
The hypocentral depth is 12 km ( 7 miles).
| Magnitude | 1.8 - local magnitude (Ml) |
| Time | Monday, August 18, 2025 at 4:24:59 AM (PDT) Monday, August 18, 2025 at 11:24:59 (UTC) |
| Distance from |
Lytle Creek, CA - 5 km (3 miles) S (185 degrees) Devore, CA - 9 km (6 miles) W (265 degrees) Rancho Cucamonga, CA - 12 km (8 miles) NE (34 degrees) Fontana, CA - 14 km (8 miles) NNW (342 degrees) Muscoy, CA - 16 km (10 miles) WNW (294 degrees) |
| Coordinates | 34 deg. 12.9 min. N (34.214N), 117 deg. 30.3 min. W (117.504W) |
| Depth | 11.89 km (7.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=101, Nph=180, Dmin=0.8 km, Rmss=0.19 sec, Erho=0.13 km, Erzz=0.26 km, Gp=15 degrees |
| Event ID# | ci40401778 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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