Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 5:54:22 AM (PST) on Monday, December 29, 2025.
The magnitude 2.1 event occurred 15 km (9 miles) NNW of Susanville, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Monday, December 29, 2025 at 5:54:22 AM (PST) Monday, December 29, 2025 at 13:54:22 (UTC) |
| Distance from |
Susanville, CA - 15 km (9 miles) NNW (345 degrees) Johnstonville, CA - 20 km (13 miles) NNW (334 degrees) Janesville, CA - 31 km (19 miles) NNW (333 degrees) Greenville, CA - 50 km (31 miles) NNE (26 degrees) Chester, CA - 53 km (33 miles) ENE (59 degrees) |
| Coordinates | 40 deg. 32.8 min. N (40.547N), 120 deg. 41.5 min. W (120.692W) |
| Depth | 6.07 km (3.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=9.2 km, Rmss=0.13 sec, Erho=0.73 km, Erzz=1.50999999 km, Gp=110 degrees |
| Event ID# | nc75288131 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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