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Chile · Antofagasta Region

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

UTC time: 2026-09-20 10:26:43 UTC Local time: —
Magnitude
M3.3
Depth
217.9 km
Source
EMSC

Antofagasta Region · San Pedro de Atacama

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About this earthquake

On September 20, 2026 at 10:26 UTC, a magnitude M3.3 earthquake occurred near San Pedro de Atacama, Antofagasta Region (Chile). The earthquake originated at an intermediate depth of about 218 km. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: over the past 24 hours, QuakeMap24 logged 31 earthquakes, the strongest at M4.2.

Depth profile

Depth profile Depth: 217.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 217.9 km
Intermediate
217.9 km
217.9 km — deeper than the regional average (99.5 km)
Regional average: 99.5 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

  • Caichinque
    Distance: 20 km ·Stratovolcano(es) ·Elevation: 4'458 m ·Chile
  • Cordon de Puntas Negras
    Distance: 22 km ·Stratovolcano(es) ·Elevation: 5'852 m ·Chile
  • Miniques
    Distance: 27 km ·Stratovolcano(es) ·Elevation: 5'910 m ·Chile
  • Chiliques
    Distance: 43 km ·Stratovolcano ·Elevation: 5'778 m ·Chile
  • Tujle, Cerro
    Distance: 43 km ·Maar ·Elevation: 3'550 m ·Chile
  • Aracar
    Distance: 46 km ·Stratovolcano ·Elevation: 6'095 m ·Argentina

Antofagasta Region

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 461 Catalogue entries

Of 460 other entries for this area and period, 181 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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Country statistics · Chile

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

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