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Chile · Antofagasta Region

M3.5 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile)

UTC time: 2026-10-18 02:33:16 UTC Local time: —
Magnitude
M3.5
Depth
225.8 km
Source
EMSC

Antofagasta Region · San Pedro de Atacama

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About this earthquake

A magnitude M3.5 earthquake was recorded near San Pedro de Atacama, Antofagasta Region (Chile) on October 18, 2026 at 02:33 UTC. The earthquake originated at an intermediate depth of about 226 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 18 earthquakes, the strongest at M4.3.

Depth profile

Depth profile Depth: 225.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 225.8 km
Intermediate
225.8 km
225.8 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

Volcanoes nearby

  • Cordon de Puntas Negras
    Distance: 24 km ·Stratovolcano(es) ·Elevation: 5'852 m ·Chile
  • Caichinque
    Distance: 29 km ·Stratovolcano(es) ·Elevation: 4'458 m ·Chile
  • Miniques
    Distance: 35 km ·Stratovolcano(es) ·Elevation: 5'910 m ·Chile
  • Chiliques
    Distance: 47 km ·Stratovolcano ·Elevation: 5'778 m ·Chile
  • Aracar
    Distance: 52 km ·Stratovolcano ·Elevation: 6'095 m ·Argentina
  • Tujle, Cerro
    Distance: 52 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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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Chile

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

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