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Chile · Antofagasta Region

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

UTC time: 2026-09-21 11:32:09 UTC Local time: —

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About this earthquake

On September 21, 2026 at 11:32 UTC, a magnitude M3.1 earthquake occurred near Calama, Antofagasta Region (Chile). The earthquake originated at an intermediate depth of about 102 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Chile: 27 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
eff925e5054d017d335de105d1ad87b99c38481a
Magnitude
M3.1
Depth
102.4 km
UTC time
2026-09-21 11:32:09 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
emsc
Coordinates
-21.83000, -68.78000
Temperature
9.0°C

Depth profile

Depth profile Depth: 102.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 102.4 km
Intermediate
102.4 km
102.4 km — close to the regional average (99.5 km)
Regional average: 99.5 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: 106 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Irruputuncu
    Distance: 125 km ·Stratovolcano ·Elevation: 5'163 m ·Last eruption: 1995 ·Chile-Bolivia
  • Putana
    Distance: 125 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Sairecabur
    Distance: 135 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Licancabur
    Distance: 145 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Purico Complex
    Distance: 168 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile

Antofagasta Region

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 465 Catalogue entries

Of 464 other entries for this area and period, 317 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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