This page summarizes earthquakes in Island County (United States). The most recently recorded event was a magnitude M1.6 earthquake near Island County on 2026-08-04 17:07:18 UTC. All event lists and map markers are limited to the last 30 days.
In 2026, Island County recorded 11 earthquakes within United States. The average magnitude was M2.33. The strongest event reached M3.8.
Located on the North America Plate.
