This page summarizes earthquakes in Monthey (Switzerland). The most recently recorded event was a magnitude M1.2 earthquake near Val-d'Illiez on 2026-07-31 17:46:11 UTC. All event lists and map markers are limited to the last 30 days.
Monthey is the capital of the district of Monthey in the canton of Valais in Switzerland.
In 2026, Monthey recorded 77 earthquakes within Switzerland. The average magnitude was M1.61. The strongest event reached M3.4.
Based on the number of recorded earthquakes in 2026, Monthey is currently among the Top 5 most active regions in Switzerland (rank #1 by count).
Located on the Eurasia Plate.