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Chile · Antofagasta Region

M4.2 Earthquake near Antofagasta, Antofagasta Region (Chile)

UTC time: 2026-09-12 18:51:05 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.2
Depth
157.4 km
Source
EMSC

Antofagasta Region · Antofagasta

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About this earthquake

A magnitude M4.2 earthquake was recorded near Antofagasta, Antofagasta Region (Chile) on September 12, 2026 at 18:51 UTC. At around 157 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by EMSC. Chile: 30 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Depth profile

Depth profile Depth: 157.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 157.4 km
Intermediate
157.4 km
157.4 km — deeper than the regional average (99.4 km)
Regional average: 99.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

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Antofagasta Region

Context for this earthquake

14 Sep 2025 – 14 Sep 2026 · M ≥ 3.0 · 441 Catalogue entries

Of 440 other entries for this area and period, 29 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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