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 12:50:08 PM (PST) on Friday, December 5, 2025.
The magnitude 1.5 event occurred 5 km (3 miles) NE (55 degrees) of Bradbury, CA.
The hypocentral depth is 0.40 km (0.20 miles).
| Magnitude | 1.5 - local magnitude (Ml) |
| Time | Friday, December 5, 2025 at 12:50:08 PM (PST) Friday, December 5, 2025 at 20:50:08 (UTC) |
| Distance from |
Bradbury, CA - 5 km (3 miles) NE (55 degrees) Azusa, CA - 5 km (3 miles) NNW (339 degrees) Duarte, CA - 6 km (4 miles) NE (51 degrees) Citrus, CA - 7 km (4 miles) NNW (334 degrees) Glendora, CA - 7 km (4 miles) NW (307 degrees) |
| Coordinates | 34 deg. 10.4 min. N (34.173N), 117 deg. 55.6 min. W (117.926W) |
| Depth | 0.40 km (0.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=16, Dmin=4.8 km, Rmss=0.1 sec, Erho=0.25 km, Erzz=0.45 km, Gp=121 degrees |
| Event ID# | ci41133463 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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