This page summarizes earthquakes in Pierce County (United States). The most recently recorded event was a magnitude M2.3 earthquake near Pierce County on 2026-06-19 07:03:23 UTC. All event lists and map markers are limited to the last 30 days.
In 2026, Pierce County recorded 21 earthquakes within United States. The average magnitude was M1.01. The strongest event reached M2.8.
Located on the North America Plate.