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Chile · Antofagasta Region

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

UTC time: 2026-08-31 03:55:31 UTC Local time: —

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About this earthquake

On August 31, 2026 at 03:55 UTC, a magnitude M3.1 earthquake occurred near Calama, Antofagasta Region (Chile). The hypocenter lay relatively close to the surface at around 64 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: over the past 24 hours, QuakeMap24 logged 20 earthquakes, the strongest at M3.8.

Details

ID
740de2f629b67067f67864e529444fee2956b5c1
Magnitude
M3.1
Depth
64.1 km
UTC time
2026-08-31 03:55:31 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
emsc
Coordinates
-21.68000, -68.34000
Temperature
-4.9°C

Depth profile

Depth profile Depth: 64.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 64.1 km
Shallow
64.1 km
64.1 km — shallower than the regional average (99.7 km)
Regional average: 99.7 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Olca-Paruma
    Distance: 83 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Irruputuncu
    Distance: 108 km ·Stratovolcano ·Elevation: 5'163 m ·Last eruption: 1995 ·Chile-Bolivia
  • Putana
    Distance: 110 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Sairecabur
    Distance: 124 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Licancabur
    Distance: 136 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Guayaques
    Distance: 157 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.

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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