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Chile · Antofagasta Region

M4.3 Earthquake near Antofagasta, Antofagasta Region (Chile)

UTC time: 2026-08-28 23:48:04 UTC Local time: —
Magnitude
M4.3
Depth
77.0 km
Source
USGS

Antofagasta Region · Antofagasta

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About this earthquake

A magnitude M4.3 earthquake was recorded near Antofagasta, Antofagasta Region (Chile) on August 28, 2026 at 23:48 UTC. At around 77 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Depth profile

Depth profile Depth: 77 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 77 km
Intermediate
77 km
77 km — shallower 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

  • Negrillar, La
    Distance: 92 km ·Pyroclastic cone(s) ·Elevation: 4'220 m ·Chile
  • Llullaillaco
    Distance: 123 km ·Stratovolcano ·Elevation: 6'739 m ·Last eruption: 1877 ·Chile-Argentina
  • Socompa
    Distance: 127 km ·Stratovolcano ·Elevation: 6'031 m ·Last eruption: -5250 ·Chile-Argentina
  • Tilocalar
    Distance: 129 km ·Lava cone(es) ·Elevation: 3'109 m ·Chile
  • Pular
    Distance: 139 km ·Stratovolcano(es) ·Elevation: 6'233 m ·Chile
  • Tujle, Cerro
    Distance: 148 km ·Maar ·Elevation: 3'550 m ·Chile

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

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View earthquake KPIs, strongest and latest events, and averages for this country.

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