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Chile · Antofagasta Region

M3.3 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile)

UTC time: 2026-09-22 04:57:29 UTC Local time: —
Magnitude
M3.3
Depth
223.2 km
Source
EMSC

Antofagasta Region · San Pedro de Atacama

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About this earthquake

A magnitude M3.3 earthquake was recorded near San Pedro de Atacama, Antofagasta Region (Chile) on September 22, 2026 at 04:57 UTC. At around 223 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 24 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Depth profile

Depth profile Depth: 223.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 223.2 km
Intermediate
223.2 km
223.2 km — deeper than the regional average (99.6 km)
Regional average: 99.6 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

  • Acamarachi
    Distance: 50 km ·Stratovolcano ·Elevation: 6'023 m ·Chile
  • Colachi
    Distance: 54 km ·Stratovolcano ·Elevation: 5'631 m ·Chile
  • Cordon de Puntas Negras
    Distance: 59 km ·Stratovolcano(es) ·Elevation: 5'852 m ·Chile
  • Lascar
    Distance: 61 km ·Stratovolcano(es) ·Elevation: 5'592 m ·Last eruption: 2026 ·Chile
  • Chiliques
    Distance: 63 km ·Stratovolcano ·Elevation: 5'778 m ·Chile
  • Guayaques
    Distance: 68 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia

Antofagasta Region

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 3.0 · 470 Catalogue entries

Of 469 other entries for this area and period, 183 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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