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Chile

M4.0 Earthquake near OFF COAST OF ANTOFAGASTA, CHILE (Chile)

UTC time: 2025-12-31 12:37:41 UTC Local time: —
Magnitude
M4.0
Depth
52.6 km
Source
EMSC

OFF COAST OF ANTOFAGASTA, CHILE

Country overview

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About this earthquake

A magnitude M4.0 earthquake was recorded near OFF COAST OF ANTOFAGASTA, CHILE (Chile) on December 31, 2025 at 12:37 UTC. With a focal depth of about 53 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by EMSC and cross-checked across seismological networks. Chile: 29 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

ID
f779ff672792c4b2df77eb3c702f1fc578e1cde1
Magnitude
M4.0
Depth
52.6 km
UTC time
2025-12-31 12:37:41 UTC
Local time
—
Country
Chile
Source
emsc
Coordinates
-23.87000, -70.61000
Temperature
23.4°C

Depth profile

Depth profile Depth: 52.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 52.6 km
Shallow
52.6 km
52.6 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: 211 km ·Pyroclastic cone(s) ·Elevation: 4'220 m ·Chile
  • Llullaillaco
    Distance: 231 km ·Stratovolcano ·Elevation: 6'739 m ·Last eruption: 1877 ·Chile-Argentina
  • Socompa
    Distance: 247 km ·Stratovolcano ·Elevation: 6'031 m ·Last eruption: -5250 ·Chile-Argentina
  • Tilocalar
    Distance: 252 km ·Lava cone(es) ·Elevation: 3'109 m ·Chile
  • Lastarria
    Distance: 257 km ·Stratovolcano ·Elevation: 5'706 m ·Chile-Argentina
  • Pular
    Distance: 262 km ·Stratovolcano(es) ·Elevation: 6'233 m ·Chile

Chile

Context for this earthquake

08 Sep 2025 – 08 Sep 2026 · M ≥ 3.0 · 2,736 Catalogue entries

Of 2,735 other entries for this area and period, 405 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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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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