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M4.0 Depth: 230.4 km

M4.0 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile)

UTC time: 2026-07-21 23:30:35 UTC Local time: —

About this earthquake

On July 21, 2026 at 23:30 UTC, a magnitude M4.0 earthquake occurred near San Pedro de Atacama, Antofagasta Region (Chile). The earthquake originated at an intermediate depth of about 230 km. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 28 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Map

Depth profile

Depth profile Depth: 230.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 230.4 km
Intermediate
230.4 km
230.4 km — deeper than the regional average (99.1 km)
Regional average: 99.1 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: 56 km ·Stratovolcano ·Elevation: 6'023 m ·Chile
  • Colachi
    Distance: 58 km ·Stratovolcano ·Elevation: 5'631 m ·Chile
  • Guayaques
    Distance: 60 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia
  • Lascar
    Distance: 69 km ·Stratovolcano(es) ·Elevation: 5'592 m ·Last eruption: 2026 ·Chile
  • Purico Complex
    Distance: 72 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile
  • Chiliques
    Distance: 76 km ·Stratovolcano ·Elevation: 5'778 m ·Chile

Historic earthquake map · Chile

Open history map
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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