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Argentina

M3.1 Earthquake near LA RIOJA, ARGENTINA (Argentina)

UTC time: 2025-12-22 23:42:45 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near LA RIOJA, ARGENTINA (Argentina) on December 22, 2025 at 23:42 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Argentina: 11 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
6e69b9b33687611de13056247b209bc1f2c87768
Magnitude
M3.1
Depth
10.0 km
UTC time
2025-12-22 23:42:45 UTC
Local time
—
Country
Argentina
City
La Rioja
Source
emsc
Coordinates
-29.43000, -68.59000
Temperature
22.0°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

  • Tipas
    Distance: 248 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Ojos del Salado, Nevados
    Distance: 258 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Solo, El
    Distance: 259 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Incahuasi, Nevado de
    Distance: 268 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Falso Azufre
    Distance: 293 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina
  • Blanco, Cerro
    Distance: 308 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·Argentina

La Rioja

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 78 Catalogue entries

Of 77 other entries for this area and period, 57 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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View earthquake KPIs, strongest and latest events, and averages for this country.

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