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Argentina · La Rioja

M3.1 Earthquake near Departamento Castro Barros, La Rioja (Argentina)

UTC time: 2026-04-08 05:23:05 UTC Local time: —
Magnitude
M3.1
Depth
137.0 km
Source
EMSC

La Rioja · Departamento Castro Barros

Country overview

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About this earthquake

A magnitude M3.1 earthquake was recorded near Departamento Castro Barros, La Rioja (Argentina) on April 8, 2026 at 05:23 UTC. The earthquake originated at an intermediate depth of about 137 km. Earthquakes of this magnitude are often felt but rarely cause 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 M3.7.

Depth profile

Depth profile Depth: 137 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 137 km
Intermediate
137 km
137 km — close to the regional average (140.6 km)
Regional average: 140.6 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: 235 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Tipas
    Distance: 237 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Blanco, Cerro
    Distance: 238 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·Argentina
  • Ojos del Salado, Nevados
    Distance: 243 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Solo, El
    Distance: 254 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Falso Azufre
    Distance: 261 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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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Argentina

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

Stats (last 24h)

Global (24h)
554
Country (24h)
Argentina
8
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