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Argentina · La Rioja

M3.3 Earthquake near Departamento Castro Barros, La Rioja (Argentina)

UTC time: 2026-09-27 18:00:03 UTC Local time: —
Magnitude
M3.3
Depth
144.0 km
Source
EMSC

La Rioja · Departamento Castro Barros

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About this earthquake

On September 27, 2026 at 18:00 UTC, a magnitude M3.3 earthquake occurred near Departamento Castro Barros, La Rioja (Argentina). At around 144 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Argentina: 14 earthquakes were recorded in the past 24 hours, the strongest reaching M4.6.

Depth profile

Depth profile Depth: 144 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 144 km
Intermediate
144 km
144 km — close to the regional average (140.4 km)
Regional average: 140.4 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

  • Tipas
    Distance: 239 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Incahuasi, Nevado de
    Distance: 240 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Blanco, Cerro
    Distance: 246 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·Argentina
  • Ojos del Salado, Nevados
    Distance: 246 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: 266 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

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

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