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 11:48:43 PM (PST) on Wednesday, January 28, 2026.
The magnitude 1.1 event occurred 3 km (2 miles) NE (38 degrees) of The Geysers, CA.
The hypocentral depth is 1 km (0.30 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Wednesday, January 28, 2026 at 11:48:43 PM (PST) Thursday, January 29, 2026 at 7:48:43 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) NE (38 degrees) Cobb, CA - 3 km (2 miles) SSW (202 degrees) Middletown, CA - 12 km (7 miles) WNW (296 degrees) Hidden Valley Lake, CA - 15 km (10 miles) W (266 degrees) Lower Lake, CA - 16 km (10 miles) SW (221 degrees) |
| Coordinates | 38 deg. 47.9 min. N (38.799N), 122 deg. 44.1 min. W (122.735W) |
| Depth | 0.53 km (0.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=4.1 km, Rmss=0.05 sec, Erho=0.18 km, Erzz=0.99000001 km, Gp=104 degrees |
| Event ID# | nc75303646 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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