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Chile · Región de Antofagasta

M3.1 Earthquake near Sierra Gorda, Región de Antofagasta (Chile)

UTC time: 2026-02-28 00:20:16 UTC Local time: —
Magnitude
M3.1
Depth
70.5 km
Source
EMSC

Región de Antofagasta · Sierra Gorda

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About this earthquake

On February 28, 2026 at 00:20 UTC, a magnitude M3.1 earthquake occurred near Sierra Gorda, Región de Antofagasta (Chile). At around 71 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: 26 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Depth profile

Depth profile Depth: 70.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 70.5 km
Intermediate
70.5 km
70.5 km — shallower 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

  • Negrillar, La
    Distance: 108 km ·Pyroclastic cone(s) ·Elevation: 4'220 m ·Chile
  • Tilocalar
    Distance: 123 km ·Lava cone(es) ·Elevation: 3'109 m ·Chile
  • Tujle, Cerro
    Distance: 136 km ·Maar ·Elevation: 3'550 m ·Chile
  • Socompa
    Distance: 138 km ·Stratovolcano ·Elevation: 6'031 m ·Last eruption: -5250 ·Chile-Argentina
  • Pular
    Distance: 141 km ·Stratovolcano(es) ·Elevation: 6'233 m ·Chile
  • Llullaillaco
    Distance: 148 km ·Stratovolcano ·Elevation: 6'739 m ·Last eruption: 1877 ·Chile-Argentina

Región de Antofagasta

Context for this earthquake

07 Sep 2025 – 07 Sep 2026 · M ≥ 3.0 · 769 Catalogue entries

Of 768 other entries for this area and period, 536 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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