Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A light earthquake occurred at 7:40:06 PM (PDT) on Tuesday, July 28, 2026.
The magnitude 4.2 event occurred 8 km (5 miles) ESE of Cloverdale, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 4.2 - moment magnitude (Mw)
Time Tuesday, July 28, 2026 at 7:40:06 PM (PDT)
Wednesday, July 29, 2026 at 2:40:06 (UTC)
Distance from Cloverdale, CA - 8 km (5 miles) ESE (114 degrees)
The Geysers, CA - 16 km (10 miles) W (270 degrees)
Healdsburg, CA - 19 km (12 miles) NNW (343 degrees)
Cobb, CA - 19 km (12 miles) WSW (255 degrees)
Kelseyville, CA - 24 km (15 miles) SSW (200 degrees)
Coordinates 38 deg. 46.6 min. N (38.777N), 122 deg. 56.1 min. W (122.936W)
Depth 5.92 km (3.70 miles)
Quality Excellent
Location Quality Parameters Nst=114, Nph=124, Dmin=5.4 km, Rmss=0.09 sec, Erho=0.09 km, Erzz=0.21 km, Gp=31 degrees
Event ID# nc75407577
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For more information, see https://earthquake.usgs.gov

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