United States – Placer County

This page summarizes earthquakes in Placer County (United States). The most recently recorded event was a magnitude M1.2 earthquake near Placer County on 2026-06-21 07:08:10 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
2
Max magnitude (last 30 days)
M1.9
Avg magnitude (last 30 days)
M1.57
Avg depth (last 30 days)
7 km
Seismic activity in 2026

In 2026, Placer County recorded 7 earthquakes within United States. The strongest event reached M2.5.

Located on the North America Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Placer County (last 30 days)