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Argentina · La Rioja

M3.9 Earthquake near Departamento Vinchina, La Rioja (Argentina)

UTC time: 2026-09-17 23:28:47 UTC Local time: —
Magnitude
M3.9
Depth
109.0 km
Source
EMSC

La Rioja · Departamento Vinchina

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About this earthquake

A magnitude M3.9 earthquake was recorded near Departamento Vinchina, La Rioja (Argentina) on September 17, 2026 at 23:28 UTC. At around 109 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: 16 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Depth profile

Depth profile Depth: 109 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 109 km
Intermediate
109 km
109 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

  • Tipas
    Distance: 179 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Ojos del Salado, Nevados
    Distance: 188 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Incahuasi, Nevado de
    Distance: 193 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Solo, El
    Distance: 193 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Falso Azufre
    Distance: 219 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina
  • Blanco, Cerro
    Distance: 225 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·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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