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 #3: 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 7:45:56 PM (PST) on Tuesday, December 30, 2025.
The magnitude 0.9 event occurred 6 km (4 miles) WSW of Lytle Creek, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Tuesday, December 30, 2025 at 7:45:56 PM (PST) Wednesday, December 31, 2025 at 3:45:56 (UTC) |
| Distance from |
Lytle Creek, CA - 6 km (4 miles) WSW (243 degrees) Rancho Cucamonga, CA - 13 km (8 miles) N (10 degrees) Devore, CA - 14 km (9 miles) W (276 degrees) Wrightwood, CA - 16 km (10 miles) SSE (153 degrees) Upland, CA - 18 km (11 miles) NNE (29 degrees) |
| Coordinates | 34 deg. 14.1 min. N (34.236N), 117 deg. 33.3 min. W (117.555W) |
| Depth | 7.53 km (4.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=22, Nph=40, Dmin=6.0 km, Rmss=0.11 sec, Erho=0.22 km, Erzz=0.32 km, Gp=72 degrees |
| Event ID# | ci41149903 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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