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 7:03:55 AM (PDT) on Monday, May 11, 2026.
The magnitude 1.2 event occurred 7 km (5 miles) NNW of Healdsburg, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, May 11, 2026 at 7:03:55 AM (PDT) Monday, May 11, 2026 at 14:03:55 (UTC) |
| Distance from |
Healdsburg, CA - 7 km (5 miles) NNW (348 degrees) Windsor, CA - 15 km (10 miles) NNW (337 degrees) The Geysers, CA - 16 km (10 miles) SW (225 degrees) Cloverdale, CA - 18 km (11 miles) SE (142 degrees) Guerneville, CA - 21 km (13 miles) NNE (26 degrees) |
| Coordinates | 38 deg. 40.5 min. N (38.675N), 122 deg. 53.2 min. W (122.886W) |
| Depth | 8.31 km (5.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=11.0 km, Rmss=0.04 sec, Erho=0.53 km, Erzz=1.39999998 km, Gp=127 degrees |
| Event ID# | nc75358846 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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