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 3:03:38 AM (PST) on Monday, December 22, 2025.
The magnitude 0.8 event occurred 2 km (1 miles) WNW of Pasadena, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Monday, December 22, 2025 at 3:03:38 AM (PST) Monday, December 22, 2025 at 11:03:38 (UTC) |
| Distance from |
Pasadena, CA - 2 km (1 miles) WNW (294 degrees) Caltech, Pasadena, CA - 4 km (2 miles) NW (318 degrees) Altadena, CA - 4 km (2 miles) SW (216 degrees) South Pasadena, CA - 5 km (3 miles) N (357 degrees) La Canada Flintridge, CA - 5 km (3 miles) SE (141 degrees) |
| Coordinates | 34 deg. 9.9 min. N (34.164N), 118 deg. 9.2 min. W (118.153W) |
| Depth | 6.20 km (3.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=31, Nph=51, Dmin=3.0 km, Rmss=0.14 sec, Erho=0.19 km, Erzz=0.29 km, Gp=64 degrees |
| Event ID# | ci41145071 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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