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 8:22:38 PM (PDT) on Sunday, August 2, 2026.
The magnitude 2.7 event occurred 31 km (19 miles) SW of Rio Dell, CA.
The hypocentral depth is 17 km (10 miles).


Magnitude 2.7 - duration magnitude (Md)
Time Sunday, August 2, 2026 at 8:22:38 PM (PDT)
Monday, August 3, 2026 at 3:22:38 (UTC)
Distance from Rio Dell, CA - 31 km (19 miles) SW (225 degrees)
Ferndale, CA - 31 km (20 miles) SSW (196 degrees)
Hydesville, CA - 35 km (22 miles) SW (220 degrees)
Fortuna, CA - 37 km (23 miles) SSW (208 degrees)
Humboldt Hill, CA - 49 km (31 miles) SSW (198 degrees)
Coordinates 40 deg. 18.2 min. N (40.304N), 124 deg. 21.9 min. W (124.365W)
Depth 16.66 km (10.40 miles)
Quality Fair
Location Quality Parameters Nst=20, Nph=18, Dmin=2.6 km, Rmss=0.14 sec, Erho=1.07 km, Erzz=0.389999986 km, Gp=232 degrees
Event ID# nc75410402
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For more information, see https://earthquake.usgs.gov

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