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Chile · Antofagasta Region

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

UTC time: 2026-09-18 11:13:41 UTC Local time: —

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About this earthquake

On September 18, 2026 at 11:13 UTC, a magnitude M3.4 earthquake occurred near Calama, Antofagasta Region (Chile). The earthquake originated at an intermediate depth of about 143 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Chile: over the past 24 hours, QuakeMap24 logged 26 earthquakes, the strongest at M4.8.

Details

ID
a09d6d7844d113c539b5ac80f5bb03e5ee482739
Magnitude
M3.4
Depth
142.5 km
UTC time
2026-09-18 11:13:41 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
emsc
Coordinates
-21.52000, -68.59000
Temperature
-2.5°C

Depth profile

Depth profile Depth: 142.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 142.5 km
Intermediate
142.5 km
142.5 km — deeper than 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: 67 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Irruputuncu
    Distance: 88 km ·Stratovolcano ·Elevation: 5'163 m ·Last eruption: 1995 ·Chile-Bolivia
  • Putana
    Distance: 138 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Sairecabur
    Distance: 152 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Licancabur
    Distance: 163 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Guayaques
    Distance: 186 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia

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, 130 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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Country statistics · Chile

Country overview
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