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Argentina

M4.0 Earthquake near LA RIOJA, ARGENTINA (Argentina)

UTC time: 2025-07-28 00:39:30 UTC Local time: —

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About this earthquake

On July 28, 2025 at 00:39 UTC, a magnitude M4.0 earthquake occurred near LA RIOJA, ARGENTINA (Argentina). At around 107 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by EMSC. Argentina: 13 earthquakes were recorded in the past 24 hours, the strongest reaching M4.4.

Details

ID
ff4515a5584de8cd7caa35999d15c7631637b357
Magnitude
M4.0
Depth
107.0 km
UTC time
2025-07-28 00:39:30 UTC
Local time
—
Country
Argentina
City
La Rioja
Source
emsc
Coordinates
-28.52000, -68.40000
Temperature
-0.1°C

Depth profile

Depth profile Depth: 107 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 107 km
Intermediate
107 km
107 km — shallower than the regional average (140.5 km)
Regional average: 140.5 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: 148 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Ojos del Salado, Nevados
    Distance: 158 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Solo, El
    Distance: 160 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Incahuasi, Nevado de
    Distance: 166 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Falso Azufre
    Distance: 191 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina
  • Blanco, Cerro
    Distance: 205 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

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

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