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Argentina

M3.1 Earthquake near SAN JUAN, ARGENTINA (Argentina)

UTC time: 2025-12-11 21:08:15 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near SAN JUAN, ARGENTINA (Argentina) on December 11, 2025 at 21:08 UTC. With a focal depth of about 10 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 event was recorded by EMSC. Argentina: 12 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
18fce30ed67d65fa13cb6073095e2b7463fefbdb
Magnitude
M3.1
Depth
10.0 km
UTC time
2025-12-11 21:08:15 UTC
Local time
—
Country
Argentina
City
San Juan
Source
emsc
Coordinates
-31.69000, -67.73000
Temperature
29.1°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: 273 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 309 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 338 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 382 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 403 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 415 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

San Juan

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 394 Catalogue entries

Of 393 other entries for this area and period, 235 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Argentina

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Country statistics · Argentina

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