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Chile · Región de Antofagasta

M2.8 Earthquake near Sierra Gorda, Región de Antofagasta (Chile)

UTC time: 2026-04-21 15:10:45 UTC Local time: —
Magnitude
M2.8
Depth
89.8 km
Source
EMSC

Región de Antofagasta · Sierra Gorda

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About this earthquake

A magnitude M2.8 earthquake was recorded near Sierra Gorda, Región de Antofagasta (Chile) on April 21, 2026 at 15:10 UTC. The earthquake originated at an intermediate depth of about 90 km. Events of this size typically go unnoticed.

The data is provided by EMSC and cross-checked across seismological networks. Chile: over the past 24 hours, QuakeMap24 logged 24 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 89.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 89.8 km
Intermediate
89.8 km
89.8 km — close to 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: 80 km ·Pyroclastic cone(s) ·Elevation: 4'220 m ·Chile
  • Tilocalar
    Distance: 83 km ·Lava cone(es) ·Elevation: 3'109 m ·Chile
  • Tujle, Cerro
    Distance: 95 km ·Maar ·Elevation: 3'550 m ·Chile
  • Pular
    Distance: 102 km ·Stratovolcano(es) ·Elevation: 6'233 m ·Chile
  • Socompa
    Distance: 105 km ·Stratovolcano ·Elevation: 6'031 m ·Last eruption: -5250 ·Chile-Argentina
  • Miniques
    Distance: 113 km ·Stratovolcano(es) ·Elevation: 5'910 m ·Chile

Región de Antofagasta

Context for this earthquake

07 Sep 2025 – 07 Sep 2026 · M ≥ 2.0 · 1,604 Catalogue entries

Of 1,603 other entries for this area and period, 900 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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