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 8:49:01 PM (PDT) on Tuesday, September 1, 2026.
The magnitude 2.6 event occurred 2 km (1 miles) N (8 degrees) of Middletown, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 2.6 - duration magnitude (Md) |
| Time | Tuesday, September 1, 2026 at 8:49:01 PM (PDT) Wednesday, September 2, 2026 at 3:49:01 (UTC) |
| Distance from |
Middletown, CA - 2 km (1 miles) N (8 degrees) Hidden Valley Lake, CA - 6 km (4 miles) SW (227 degrees) Cobb, CA - 11 km (7 miles) ESE (121 degrees) The Geysers, CA - 13 km (8 miles) E (94 degrees) Lower Lake, CA - 16 km (10 miles) S (180 degrees) |
| Coordinates | 38 deg. 46.2 min. N (38.770N), 122 deg. 36.7 min. W (122.612W) |
| Depth | 4.20 km (2.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=71, Nph=64, Dmin=5.9 km, Rmss=0.13 sec, Erho=0.18 km, Erzz=0.560000002 km, Gp=56 degrees |
| Event ID# | nc75428602 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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