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 3:44:53 PM (PDT) on Saturday, October 18, 2025.
The magnitude 1.8 event occurred 4 km (3 miles) NW of The Geysers, CA.
The hypocentral depth is 1 km (0.50 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Saturday, October 18, 2025 at 3:44:53 PM (PDT) Saturday, October 18, 2025 at 22:44:53 (UTC) |
| Distance from |
The Geysers, CA - 4 km (3 miles) NW (304 degrees) Cobb, CA - 7 km (4 miles) WSW (249 degrees) Middletown, CA - 17 km (10 miles) WNW (288 degrees) Cloverdale, CA - 19 km (12 miles) E (92 degrees) Kelseyville, CA - 20 km (13 miles) S (170 degrees) |
| Coordinates | 38 deg. 48.0 min. N (38.799N), 122 deg. 47.9 min. W (122.799W) |
| Depth | 0.74 km (0.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=31, Nph=30, Dmin=1.0 km, Rmss=0.04 sec, Erho=0.16 km, Erzz=0.25 km, Gp=38 degrees |
| Event ID# | nc75251231 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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