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Chile · Antofagasta Region

M3.4 Earthquake near Calama, Antofagasta Region (Chile)

UTC time: 2026-10-18 00:44:10 UTC Local time: —

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About this earthquake

A magnitude M3.4 earthquake was recorded near Calama, Antofagasta Region (Chile) on October 18, 2026 at 00:44 UTC. The earthquake originated at an intermediate depth of about 121 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Chile: 18 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

ID
d0a9c7c3f328ba25f9789d742c7feed19a5829bc
Magnitude
M3.4
Depth
120.5 km
UTC time
2026-10-18 00:44:10 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
emsc
Coordinates
-21.83000, -68.68000
Temperature
10.5°C

Depth profile

Depth profile Depth: 120.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 120.5 km
Intermediate
120.5 km
120.5 km — deeper than the regional average (99.7 km)
Regional average: 99.7 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Olca-Paruma
    Distance: 103 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Putana
    Distance: 117 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Irruputuncu
    Distance: 123 km ·Stratovolcano ·Elevation: 5'163 m ·Last eruption: 1995 ·Chile-Bolivia
  • Sairecabur
    Distance: 128 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Licancabur
    Distance: 138 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Purico Complex
    Distance: 161 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile

Antofagasta Region

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 527 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Chile

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Country statistics · Chile

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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