Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:28:42 PM (PDT) on Thursday, April 23, 2026.
The magnitude 0.4 event occurred 4 km (3 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Thursday, April 23, 2026 at 10:28:42 PM (PDT) Friday, April 24, 2026 at 5:28:42 (UTC) |
| Distance from |
The Geysers, CA - 4 km (3 miles) ESE (111 degrees) Cobb, CA - 7 km (4 miles) S (172 degrees) Middletown, CA - 9 km (5 miles) W (279 degrees) Hidden Valley Lake, CA - 14 km (9 miles) WSW (250 degrees) Lower Lake, CA - 19 km (12 miles) SSW (208 degrees) |
| Coordinates | 38 deg. 45.8 min. N (38.764N), 122 deg. 42.7 min. W (122.712W) |
| Depth | 1.68 km (1.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=16, Nph=18, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.29 km, Erzz=0.19 km, Gp=115 degrees |
| Event ID# | nc75350547 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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