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Argentina · San Luis

M4.3 Earthquake near Chacabuco, San Luis (Argentina)

UTC time: 2026-01-11 16:22:25 UTC Local time: —

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About this earthquake

A magnitude M4.3 earthquake was recorded near Chacabuco, San Luis (Argentina) on January 11, 2026 at 16:22 UTC. With a focal depth of about 10 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. Argentina: 8 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

ID
5ab35b7c6d5689191c719a11c16d0f1e396f1031
Magnitude
M4.3
Depth
10.0 km
UTC time
2026-01-11 16:22:25 UTC
Local time
—
Country
Argentina
State
San Luis
City
Chacabuco
County
Chacabuco
Source
emsc
Coordinates
-32.85000, -65.03000
Temperature
33.8°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (143.1 km)
Regional average: 143.1 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

  • Tupungatito
    Distance: 448 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 464 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 469 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 492 km ·Caldera ·Elevation: 5'189 m ·Argentina

Argentina

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 1,409 Catalogue entries

Of 1,408 other entries for this area and period, 148 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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Historic earthquake map · Argentina

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Country statistics · Argentina

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