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Chile

M3.1 Earthquake near OFFSHORE ANTOFAGASTA, CHILE (Chile)

UTC time: 2025-12-08 06:20:53 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near OFFSHORE ANTOFAGASTA, CHILE (Chile) on December 8, 2025 at 06:20 UTC. With a focal depth of about 33 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 28 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

ID
7fee7983c81cc83c5871a135e763c05e1dbd2df4
Magnitude
M3.1
Depth
33.0 km
UTC time
2025-12-08 06:20:53 UTC
Local time
—
Country
Chile
Source
emsc
Coordinates
-23.79000, -70.65000
Temperature
23.3°C

Depth profile

Depth profile Depth: 33 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33 km
Shallow
33 km
33 km — shallower than the regional average (99.3 km)
Regional average: 99.3 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: 217 km ·Pyroclastic cone(s) ·Elevation: 4'220 m ·Chile
  • Llullaillaco
    Distance: 239 km ·Stratovolcano ·Elevation: 6'739 m ·Last eruption: 1877 ·Chile-Argentina
  • Socompa
    Distance: 253 km ·Stratovolcano ·Elevation: 6'031 m ·Last eruption: -5250 ·Chile-Argentina
  • Tilocalar
    Distance: 257 km ·Lava cone(es) ·Elevation: 3'109 m ·Chile
  • Lastarria
    Distance: 266 km ·Stratovolcano ·Elevation: 5'706 m ·Chile-Argentina
  • Pular
    Distance: 267 km ·Stratovolcano(es) ·Elevation: 6'233 m ·Chile

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

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

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

Chile

Context for this earthquake

09 Sep 2025 – 09 Sep 2026 · M ≥ 3.0 · 2,740 Catalogue entries

Of 2,739 other entries for this area and period, 1,884 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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.

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