United States – Alpine County

This page summarizes earthquakes in Alpine County (United States). The most recently recorded event was a magnitude M2.2 earthquake near Alpine County on 2026-08-21 21:52:30 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
1
Max magnitude (last 30 days)
M2.2
Avg magnitude (last 30 days)
M2.20
Avg depth (last 30 days)
1 km
Seismic activity in 2026

In 2026, Alpine County recorded 4 earthquakes within United States.

Located on the North America Plate.

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