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Chile · Antofagasta Region

M3.9 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile)

UTC time: 2026-09-18 09:25:38 UTC Local time: —
Magnitude
M3.9
Depth
216.0 km
Source
EMSC

Antofagasta Region · San Pedro de Atacama

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About this earthquake

On September 18, 2026 at 09:25 UTC, a magnitude M3.9 earthquake occurred near San Pedro de Atacama, Antofagasta Region (Chile). At around 216 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: 14 earthquakes were recorded in the past 24 hours, the strongest reaching M4.6.

Depth profile

Depth profile Depth: 216 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 216 km
Intermediate
216 km
216 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: 22 km ·Stratovolcano(es) ·Elevation: 4'458 m ·Chile
  • Cordon de Puntas Negras
    Distance: 25 km ·Stratovolcano(es) ·Elevation: 5'852 m ·Chile
  • Miniques
    Distance: 30 km ·Stratovolcano(es) ·Elevation: 5'910 m ·Chile
  • Aracar
    Distance: 44 km ·Stratovolcano ·Elevation: 6'095 m ·Argentina
  • Tujle, Cerro
    Distance: 46 km ·Maar ·Elevation: 3'550 m ·Chile
  • Chiliques
    Distance: 47 km ·Stratovolcano ·Elevation: 5'778 m ·Chile

Antofagasta Region

Context for this earthquake

18 Sep 2025 – 18 Sep 2026 · M ≥ 3.0 · 448 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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