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Chile · Antofagasta Region

M3.4 Earthquake near San Pedro de Atacama, Antofagasta Region (Chile)

UTC time: 2026-07-23 04:22:56 UTC Local time: —
Magnitude
M3.4
Depth
255.1 km
Source
EMSC

Antofagasta Region · San Pedro de Atacama

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About this earthquake

On July 23, 2026 at 04:22 UTC, a magnitude M3.4 earthquake occurred near San Pedro de Atacama, Antofagasta Region (Chile). At around 255 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: 25 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Depth profile

Depth profile Depth: 255.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 255.1 km
Intermediate
255.1 km
255.1 km — deeper than the regional average (99.6 km)
Regional average: 99.6 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: 27 km ·Stratovolcano ·Elevation: 6'023 m ·Chile
  • Colachi
    Distance: 32 km ·Stratovolcano ·Elevation: 5'631 m ·Chile
  • Lascar
    Distance: 37 km ·Stratovolcano(es) ·Elevation: 5'592 m ·Last eruption: 2026 ·Chile
  • Chiliques
    Distance: 41 km ·Stratovolcano ·Elevation: 5'778 m ·Chile
  • Cordon de Puntas Negras
    Distance: 45 km ·Stratovolcano(es) ·Elevation: 5'852 m ·Chile
  • Guayaques
    Distance: 56 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia

Antofagasta Region

Context for this earthquake

22 Sep 2025 – 22 Sep 2026 · M ≥ 3.0 · 474 Catalogue entries

Of 473 other entries for this area and period, 133 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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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Chile

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

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