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 8:26:02 PM (PDT) on Sunday, October 11, 2026.
The magnitude 1.8 event occurred 6 km (4 miles) SW of Upper Lake, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Sunday, October 11, 2026 at 8:26:02 PM (PDT) Monday, October 12, 2026 at 3:26:02 (UTC) |
| Distance from |
Upper Lake, CA - 6 km (4 miles) SW (234 degrees) North Lakeport, CA - 7 km (5 miles) NW (310 degrees) Lakeport, CA - 11 km (7 miles) NNW (334 degrees) Nice, CA - 11 km (7 miles) W (275 degrees) Talmage, CA - 17 km (11 miles) E (91 degrees) |
| Coordinates | 39 deg. 7.8 min. N (39.131N), 122 deg. 58.2 min. W (122.970W) |
| Depth | 4.79 km (3.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=9.2 km, Rmss=0.09 sec, Erho=0.3 km, Erzz=1.10000002 km, Gp=77 degrees |
| Event ID# | nc75448171 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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