Event Brief
Preliminary 4.2 quake reported in Mendocino County
Filed: Aug 04, 2026 at 9:00 PM ET
Summary: A preliminary 4.2-magnitude earthquake struck near Covelo; no immediate damage or injuries were reported.
WHO: United States Geological Survey (USGS)
WHAT: Preliminary 4.2-magnitude earthquake
WHEN: Aug 04, 2026 at 8:42 PM ET
WHERE: Mendocino County, California
WHY: Cause not yet established.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
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