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 6:34:33 PM (PDT) on Friday, March 20, 2026.
The magnitude 1.6 event occurred 4 km (2 miles) S of Redwood Valley, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Friday, March 20, 2026 at 6:34:33 PM (PDT) Saturday, March 21, 2026 at 1:34:33 (UTC) |
| Distance from |
Redwood Valley, CA - 4 km (2 miles) S (175 degrees) Ukiah, CA - 9 km (6 miles) N (4 degrees) Talmage, CA - 11 km (7 miles) NNW (346 degrees) Willits, CA - 24 km (15 miles) SE (146 degrees) Upper Lake, CA - 26 km (16 miles) WNW (287 degrees) |
| Coordinates | 39 deg. 13.9 min. N (39.232N), 123 deg. 12.0 min. W (123.201W) |
| Depth | 6.39 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=16, Dmin=8.1 km, Rmss=0.05 sec, Erho=0.23 km, Erzz=0.769999981 km, Gp=57 degrees |
| Event ID# | nc75330802 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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