This page summarizes earthquakes in Sierra County (United States). The most recently recorded event was a magnitude M2.2 earthquake near Sattley on 2026-05-26 23:00:11 UTC. All event lists and map markers are limited to the last 30 days.
In 2026, Sierra County recorded 7 earthquakes within United States. The strongest event reached M2.5.
Located on the North America Plate.