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 11:51:49 PM (PDT) on Monday, March 16, 2026.
The magnitude 1.8 event occurred 4 km (3 miles) NE (38 degrees) of Guerneville, CA.
The hypocentral depth is 2 km ( 2 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Monday, March 16, 2026 at 11:51:49 PM (PDT) Tuesday, March 17, 2026 at 6:51:49 (UTC) |
| Distance from |
Guerneville, CA - 4 km (3 miles) NE (38 degrees) Monte Rio, CA - 8 km (5 miles) NNE (27 degrees) Forestville, CA - 9 km (6 miles) NW (315 degrees) Healdsburg, CA - 12 km (7 miles) SW (224 degrees) Windsor, CA - 13 km (8 miles) W (263 degrees) |
| Coordinates | 38 deg. 32.0 min. N (38.533N), 122 deg. 57.9 min. W (122.966W) |
| Depth | 2.44 km (1.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=17, Nph=16, Dmin=4.9 km, Rmss=0.08 sec, Erho=0.31 km, Erzz=1.10000002 km, Gp=85 degrees |
| Event ID# | nc75328667 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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