This page summarizes earthquakes in Mendocino County (United States). The most recently recorded event was a magnitude M1.3 earthquake near Mendocino County on 2026-07-31 03:17:24 UTC. All event lists and map markers are limited to the last 30 days.
Mendocino County is a county located on the North Coast of the U.S. state of California. As of the 2020 United States census, the population was 91,601. The county seat is Ukiah.
In 2026, Mendocino County recorded 343 earthquakes within United States. The average magnitude was M1.76. The strongest event reached M5.8.
By event count in 2026, this region ranks #20 within United States.
Considering the strongest recorded event in 2026, Mendocino County is among the Top 5 strongest regions in United States (rank #1 by max magnitude).
Located on the North America Plate.