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Chile · Antofagasta Region

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

UTC time: 2026-08-18 23:31:51 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near Calama, Antofagasta Region (Chile) on August 18, 2026 at 23:31 UTC. At around 131 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Chile: 21 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
386e208185e57cdc19fbacfe297f255bee3477ae
Magnitude
M3.1
Depth
131.3 km
UTC time
2026-08-18 23:31:51 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
emsc
Coordinates
-21.62000, -68.49000
Temperature
-8.1°C

Depth profile

Depth profile Depth: 131.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 131.3 km
Intermediate
131.3 km
131.3 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: 76 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Irruputuncu
    Distance: 99 km ·Stratovolcano ·Elevation: 5'163 m ·Last eruption: 1995 ·Chile-Bolivia
  • Putana
    Distance: 123 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Sairecabur
    Distance: 137 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Licancabur
    Distance: 148 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Guayaques
    Distance: 171 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia

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.

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Historic earthquake map · Chile

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