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Chile · Antofagasta Region

M4.6 Earthquake near Calama, Antofagasta Region (Chile)

UTC time: 2026-08-28 14:11:54 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

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About this earthquake

On August 28, 2026 at 14:11 UTC, a magnitude M4.6 earthquake occurred near Calama, Antofagasta Region (Chile). The earthquake originated at an intermediate depth of about 131 km. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS. Chile: 21 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Details

ID
f51bf6a656a7b3dbb17add3a1c562e6ca8d1afa1
Magnitude
M4.6
Depth
131.4 km
UTC time
2026-08-28 14:11:54 UTC
Local time
—
Country
Chile
State
Antofagasta Region
City
Calama
County
Provincia de El Loa
Source
usgs
Coordinates
-21.21090, -68.50890
Temperature
13.0°C

Depth profile

Depth profile Depth: 131.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 131.4 km
Intermediate
131.4 km
131.4 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

Tectonic context

Located on the Altiplano Plate.
Near the boundary Altiplano ↔ South America · about 32 km away

Volcanoes nearby

  • Olca-Paruma
    Distance: 32 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Irruputuncu
    Distance: 54 km ·Stratovolcano ·Elevation: 5'163 m ·Last eruption: 1995 ·Chile-Bolivia
  • Putana
    Distance: 164 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Sairecabur
    Distance: 179 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Licancabur
    Distance: 191 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Guayaques
    Distance: 211 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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Country statistics · Chile

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