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Argentina · La Rioja

M3.0 Earthquake near Departamento Castro Barros, La Rioja (Argentina)

UTC time: 2026-09-29 02:39:12 UTC Local time: —
Magnitude
M3.0
Depth
140.0 km
Source
INPRES

La Rioja · Departamento Castro Barros

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About this earthquake

On September 29, 2026 at 02:39 UTC, a magnitude M3.0 earthquake occurred near Departamento Castro Barros, La Rioja (Argentina). The earthquake originated at an intermediate depth of about 140 km. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by INPRES. Argentina: 17 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Depth profile

Depth profile Depth: 140 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 140 km
Intermediate
140 km
140 km — close to the regional average (134 km)
Regional average: 134 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Incahuasi, Nevado de
    Distance: 239 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Tipas
    Distance: 239 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Blanco, Cerro
    Distance: 243 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·Argentina
  • Ojos del Salado, Nevados
    Distance: 245 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Solo, El
    Distance: 256 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Falso Azufre
    Distance: 265 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina

La Rioja

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 85 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Argentina

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Country statistics · Argentina

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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