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Chile · Antofagasta Region

M3.1 Earthquake near Calama, Antofagasta Region (Chile)

UTC time: 2026-09-22 14:40:50 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near Calama, Antofagasta Region (Chile) on September 22, 2026 at 14:40 UTC. The earthquake originated at an intermediate depth of about 123 km. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: 27 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

ID
4a7c9fe8d0ef3c2dff7963ab7fc9f1605ef0238a
Magnitude
M3.1
Depth
123.2 km
UTC time
2026-09-22 14:40:50 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
emsc
Coordinates
-21.85000, -68.49000
Temperature
14.7°C

Depth profile

Depth profile Depth: 123.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 123.2 km
Intermediate
123.2 km
123.2 km — deeper than the regional average (99.6 km)
Regional average: 99.6 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: 102 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Putana
    Distance: 102 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Sairecabur
    Distance: 115 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Irruputuncu
    Distance: 125 km ·Stratovolcano ·Elevation: 5'163 m ·Last eruption: 1995 ·Chile-Bolivia
  • Licancabur
    Distance: 126 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Purico Complex
    Distance: 149 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile

Antofagasta Region

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 3.0 · 475 Catalogue entries

Of 474 other entries for this area and period, 322 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Chile

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