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Chile · Antofagasta Region

M2.7 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile)

UTC time: 2026-09-18 18:34:35 UTC Local time: —
Magnitude
M2.7
Depth
241.6 km
Source
EMSC

Antofagasta Region · San Pedro de Atacama

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About this earthquake

A magnitude M2.7 earthquake was recorded near San Pedro de Atacama, Antofagasta Region (Chile) on September 18, 2026 at 18:34 UTC. The earthquake originated at an intermediate depth of about 242 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by EMSC and cross-checked across seismological networks. Chile: over the past 24 hours, QuakeMap24 logged 27 earthquakes, the strongest at M4.8.

Depth profile

Depth profile Depth: 241.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 241.6 km
Intermediate
241.6 km
241.6 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

  • Acamarachi
    Distance: 49 km ·Stratovolcano ·Elevation: 6'023 m ·Chile
  • Colachi
    Distance: 52 km ·Stratovolcano ·Elevation: 5'631 m ·Chile
  • Guayaques
    Distance: 57 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia
  • Lascar
    Distance: 63 km ·Stratovolcano(es) ·Elevation: 5'592 m ·Last eruption: 2026 ·Chile
  • Purico Complex
    Distance: 67 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile
  • Chiliques
    Distance: 70 km ·Stratovolcano ·Elevation: 5'778 m ·Chile

Antofagasta Region

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 1,131 Catalogue entries

Of 1,130 other entries for this area and period, 708 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

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

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