Back to map
Chile · Antofagasta Region

M3.1 Earthquake near Antofagasta, Antofagasta Region (Chile)

UTC time: 2026-10-23 14:35:02 UTC Local time: —
Magnitude
M3.1
Depth
24.3 km
Source
EMSC

Antofagasta Region · Antofagasta

Country overview

Map

About this earthquake

A magnitude M3.1 earthquake was recorded near Antofagasta, Antofagasta Region (Chile) on October 23, 2026 at 14:35 UTC. The hypocenter lay relatively close to the surface at around 24 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 39 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Depth profile

Depth profile Depth: 24.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 24.3 km
Shallow
24.3 km
24.3 km — shallower than the regional average (99.8 km)
Regional average: 99.8 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: 221 km ·Pyroclastic cone(s) ·Elevation: 4'220 m ·Chile
  • Llullaillaco
    Distance: 249 km ·Stratovolcano ·Elevation: 6'739 m ·Last eruption: 1877 ·Chile-Argentina
  • Tilocalar
    Distance: 252 km ·Lava cone(es) ·Elevation: 3'109 m ·Chile
  • Socompa
    Distance: 256 km ·Stratovolcano ·Elevation: 6'031 m ·Last eruption: -5250 ·Chile-Argentina
  • Pular
    Distance: 266 km ·Stratovolcano(es) ·Elevation: 6'233 m ·Chile
  • Tujle, Cerro
    Distance: 267 km ·Maar ·Elevation: 3'550 m ·Chile

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

Source: OurAirports · Dataset date: 2026-10-05

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 527 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Chile

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Chile

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

Share