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 1:28:53 AM (PDT) on Friday, July 31, 2026.
The magnitude 1.8 event occurred 7 km (5 miles) ESE of Cloverdale, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Friday, July 31, 2026 at 1:28:53 AM (PDT) Friday, July 31, 2026 at 8:28:53 (UTC) |
| Distance from |
Cloverdale, CA - 7 km (5 miles) ESE (119 degrees) The Geysers, CA - 16 km (10 miles) W (269 degrees) Healdsburg, CA - 19 km (12 miles) NNW (340 degrees) Cobb, CA - 20 km (12 miles) WSW (254 degrees) Kelseyville, CA - 24 km (15 miles) SSW (202 degrees) |
| Coordinates | 38 deg. 46.4 min. N (38.773N), 122 deg. 56.6 min. W (122.944W) |
| Depth | 6.36 km (4.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=38, Nph=38, Dmin=6.2 km, Rmss=0.05 sec, Erho=0.21 km, Erzz=0.649999976 km, Gp=58 degrees |
| Event ID# | nc75409002 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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