Chile · Antofagasta Region

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

UTC time: 2026-09-15 08:21:47 UTC Local time: —
Magnitude
M3.1
Depth
49.4 km
Source
EMSC

Antofagasta Region · Tocopilla

Country overview

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About this earthquake

On September 15, 2026 at 08:21 UTC, a magnitude M3.1 earthquake occurred near Tocopilla, Antofagasta Region (Chile). The hypocenter lay relatively close to the surface at around 49 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Chile: 31 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
c370caabe437fc79c0a2c56b31d759ff49a9b303
Magnitude
M3.1
Depth
49.4 km
UTC time
2026-09-15 08:21:47 UTC
Local time
—
Country
City
Source
emsc
Coordinates
-22.54000, -70.22000
Temperature
14.8°C

Depth profile

Depth profile Depth: 49.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 49.4 km
Shallow
49.4 km
49.4 km — shallower than the regional average (100.2 km)
Regional average: 100.2 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

  • Distance: 240 km ·Stratovolcano(es) ·Elevation: 5'961 m ·Chile-Bolivia
  • Distance: 242 km ·Stratovolcano ·Elevation: 5'916 m ·Chile-Bolivia
  • Distance: 243 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Distance: 258 km ·Stratovolcano(es) ·Elevation: 5'705 m ·Chile-Bolivia
  • Distance: 258 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile
  • Distance: 258 km ·Pyroclastic cone(s) ·Elevation: 4'220 m ·Chile

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

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Country statistics · Chile

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

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