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 5:20:54 PM (PDT) on Sunday, October 4, 2026.
The magnitude 1.0 event occurred 3 km (2 miles) NE (34 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Sunday, October 4, 2026 at 5:20:54 PM (PDT) Monday, October 5, 2026 at 0:20:54 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) NE (34 degrees) Cobb, CA - 3 km (2 miles) SSW (206 degrees) Middletown, CA - 12 km (7 miles) WNW (295 degrees) Hidden Valley Lake, CA - 16 km (10 miles) W (266 degrees) Lower Lake, CA - 17 km (10 miles) SW (222 degrees) |
| Coordinates | 38 deg. 47.9 min. N (38.798N), 122 deg. 44.3 min. W (122.739W) |
| Depth | 2.03 km (1.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=1.6 km, Rmss=0.03 sec, Erho=0.33 km, Erzz=1.87 km, Gp=105 degrees |
| Event ID# | nc75444626 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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