This page summarizes earthquakes in Napa County (United States). The most recently recorded event was a magnitude M2.2 earthquake near Napa County on 2026-06-19 04:37:06 UTC. All event lists and map markers are limited to the last 30 days.
Napa County is a county north of San Pablo Bay located in the northern portion of the U.S. state of California. As of the 2020 United States census, the population was 138,019. The county seat is the City of Napa.
In 2026, Napa County recorded 37 earthquakes within United States. The average magnitude was M1.68. The strongest event reached M2.9.
By event count in 2026, this region ranks #57 within United States.
Located on the North America Plate.
