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 0:15:44 AM (PDT) on Saturday, October 18, 2025.
The magnitude 1.5 event occurred 20 km (12 miles) SSE of Dunsmuir, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Saturday, October 18, 2025 at 0:15:44 AM (PDT) Saturday, October 18, 2025 at 7:15:44 (UTC) |
| Distance from |
Dunsmuir, CA - 20 km (12 miles) SSE (155 degrees) McCloud, CA - 23 km (15 miles) S (187 degrees) Mount Shasta, CA - 31 km (20 miles) SSE (159 degrees) Central Valley (historical), CA - 44 km (27 miles) NNE (22 degrees) Shasta Lake, CA - 44 km (27 miles) NNE (22 degrees) |
| Coordinates | 41 deg. 2.8 min. N (41.047N), 122 deg. 10.4 min. W (122.173W) |
| Depth | 3.75 km (2.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=17.2 km, Rmss=0.06 sec, Erho=1.27 km, Erzz=8.48999977 km, Gp=96 degrees |
| Event ID# | nc75250921 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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