This page summarizes earthquakes in Antofagasta Region (Chile). The most recently recorded event was a magnitude M2.9 earthquake near Calama on 2026-07-31 07:35:09 UTC. All event lists and map markers are limited to the last 30 days.
The Antofagasta Region is one of Chile's sixteen first-order administrative divisions. Being the second-largest region of Chile in area, it comprises three provinces, Antofagasta, El Loa and Tocopilla.
In 2026, Antofagasta Region recorded 615 earthquakes within Chile. The average magnitude was M3.01. The strongest event reached M5.5.
Based on the number of recorded earthquakes in 2026, Antofagasta Region is currently among the Top 5 most active regions in Chile (rank #2 by count).
Considering the strongest recorded event in 2026, Antofagasta Region is among the Top 5 strongest regions in Chile (rank #4 by max magnitude).
Located on the South America Plate.
