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Chile · Antofagasta Region

M2.8 Earthquake near Mejillones, Antofagasta Region (Chile)

UTC time: 2026-09-21 09:03:35 UTC Local time: —
Magnitude
M2.8
Depth
54.4 km
Source
EMSC

Antofagasta Region · Mejillones

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About this earthquake

On September 21, 2026 at 09:03 UTC, a magnitude M2.8 earthquake occurred near Mejillones, Antofagasta Region (Chile). With a focal depth of about 54 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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: 27 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Depth profile

Depth profile Depth: 54.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 54.4 km
Shallow
54.4 km
54.4 km — shallower than the regional average (99.5 km)
Regional average: 99.5 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Negrillar, La
    Distance: 234 km ·Pyroclastic cone(s) ·Elevation: 4'220 m ·Chile
  • Tilocalar
    Distance: 258 km ·Lava cone(es) ·Elevation: 3'109 m ·Chile
  • Llullaillaco
    Distance: 266 km ·Stratovolcano ·Elevation: 6'739 m ·Last eruption: 1877 ·Chile-Argentina
  • Socompa
    Distance: 268 km ·Stratovolcano ·Elevation: 6'031 m ·Last eruption: -5250 ·Chile-Argentina
  • Licancabur
    Distance: 268 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Sairecabur
    Distance: 269 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Andrés Sabella Gálvez International AirportChile · ANF · SCFA
    36.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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, 564 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

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

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