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 9:38:22 AM (PDT) on Monday, May 4, 2026.
The magnitude 0.4 event occurred 4 km (2 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Monday, May 4, 2026 at 9:38:22 AM (PDT) Monday, May 4, 2026 at 16:38:22 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) NNW (328 degrees) Cobb, CA - 5 km (3 miles) WSW (252 degrees) Middletown, CA - 16 km (10 miles) WNW (293 degrees) Lower Lake, CA - 19 km (12 miles) SW (232 degrees) Hidden Valley Lake, CA - 19 km (12 miles) W (270 degrees) |
| Coordinates | 38 deg. 48.4 min. N (38.807N), 122 deg. 46.8 min. W (122.780W) |
| Depth | 1.44 km (0.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=5, Nph=8, Dmin=1.3 km, Rmss=0.02 sec, Erho=0.45 km, Erzz=0.86 km, Gp=94 degrees |
| Event ID# | nc75356872 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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