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 11:13:12 PM (PST) on Wednesday, February 4, 2026.
The magnitude 1.2 event occurred 4 km (3 miles) SE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Wednesday, February 4, 2026 at 11:13:12 PM (PST) Thursday, February 5, 2026 at 7:13:12 (UTC) |
| Distance from |
The Geysers, CA - 4 km (3 miles) SE (140 degrees) Cobb, CA - 8 km (5 miles) S (180 degrees) Middletown, CA - 9 km (6 miles) W (266 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (245 degrees) Healdsburg, CA - 20 km (12 miles) NE (40 degrees) |
| Coordinates | 38 deg. 44.8 min. N (38.747N), 122 deg. 43.4 min. W (122.724W) |
| Depth | 1.17 km (0.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=1.6 km, Rmss=0.01 sec, Erho=0.65 km, Erzz=0.50999999 km, Gp=125 degrees |
| Event ID# | nc75308807 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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