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 9:09:27 PM (PDT) on Thursday, August 20, 2026.
The magnitude 1.7 event occurred 8 km (5 miles) ESE of Cloverdale, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Thursday, August 20, 2026 at 9:09:27 PM (PDT) Friday, August 21, 2026 at 4:09:27 (UTC) |
| Distance from |
Cloverdale, CA - 8 km (5 miles) ESE (119 degrees) The Geysers, CA - 16 km (10 miles) W (267 degrees) Healdsburg, CA - 19 km (12 miles) NNW (342 degrees) Cobb, CA - 19 km (12 miles) WSW (253 degrees) Kelseyville, CA - 25 km (15 miles) SSW (200 degrees) |
| Coordinates | 38 deg. 46.2 min. N (38.770N), 122 deg. 56.2 min. W (122.937W) |
| Depth | 6.53 km (4.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=45, Nph=45, Dmin=6.8 km, Rmss=0.06 sec, Erho=0.21 km, Erzz=0.540000021 km, Gp=60 degrees |
| Event ID# | nc75422207 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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