Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:03:48 PM (PDT) on Thursday, April 23, 2026.
The magnitude 0.4 event occurred 4 km (2 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 2 miles).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Thursday, April 23, 2026 at 7:03:48 PM (PDT) Friday, April 24, 2026 at 2:03:48 (UTC) |
| Distance from |
Cobb, CA - 4 km (2 miles) W (277 degrees) The Geysers, CA - 5 km (3 miles) N (352 degrees) Middletown, CA - 15 km (10 miles) WNW (302 degrees) Lower Lake, CA - 16 km (10 miles) SW (235 degrees) Kelseyville, CA - 18 km (11 miles) SSE (159 degrees) |
| Coordinates | 38 deg. 49.6 min. N (38.826N), 122 deg. 45.9 min. W (122.765W) |
| Depth | 2.38 km (1.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=14, Nph=17, Dmin=0.6 km, Rmss=0.03 sec, Erho=0.29 km, Erzz=0.5 km, Gp=127 degrees |
| Event ID# | nc75350432 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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