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Argentina

M3.1 Earthquake near LA RIOJA, ARGENTINA (Argentina)

UTC time: 2025-08-18 05:21:30 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near LA RIOJA, ARGENTINA (Argentina) on August 18, 2025 at 05:21 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Argentina: over the past 24 hours, QuakeMap24 logged 15 earthquakes, the strongest at M3.6.

Details

ID
99bac0bad5a4fa595a6c0f5b74c4fa7a424cc941
Magnitude
M3.1
Depth
10.0 km
UTC time
2025-08-18 05:21:30 UTC
Local time
—
Country
Argentina
City
La Rioja
Source
emsc
Coordinates
-30.56000, -66.88000
Temperature
10.9°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (143 km)
Regional average: 143 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Tipas
    Distance: 408 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Incahuasi, Nevado de
    Distance: 416 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Ojos del Salado, Nevados
    Distance: 416 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Tupungatito
    Distance: 421 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • Solo, El
    Distance: 424 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Blanco, Cerro
    Distance: 430 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·Argentina

La Rioja

Context for this earthquake

07 Sep 2025 – 07 Sep 2026 · M ≥ 3.0 · 77 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

Open history map
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)
490
Country (24h)
Argentina
15
Current earthquakes in
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