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M3.9 Depth: 223.1 km

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

UTC time: 2026-08-18 04:06:03 UTC Local time: —

About this earthquake

A magnitude M3.9 earthquake was recorded near San Pedro de Atacama, Antofagasta Region (Chile) on August 18, 2026 at 04:06 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: 32 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Map

Depth profile

Depth profile Depth: 223.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 223.1 km
Intermediate
223.1 km
223.1 km — deeper than the regional average (99.3 km)
Regional average: 99.3 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: 9 km ·Stratovolcano(es) ·Elevation: 5'852 m ·Chile
  • Miniques
    Distance: 26 km ·Stratovolcano(es) ·Elevation: 5'910 m ·Chile
  • Caichinque
    Distance: 27 km ·Stratovolcano(es) ·Elevation: 4'458 m ·Chile
  • Chiliques
    Distance: 33 km ·Stratovolcano ·Elevation: 5'778 m ·Chile
  • Tujle, Cerro
    Distance: 45 km ·Maar ·Elevation: 3'550 m ·Chile
  • Lascar
    Distance: 55 km ·Stratovolcano(es) ·Elevation: 5'592 m ·Last eruption: 2026 ·Chile

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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