M3.1 Depth: 10.0 km

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

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

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 14 earthquakes, the strongest at M3.9.

Details

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

Map

Depth profile

Shallow

10 km

10 km — shallower than the regional average (147 km)

Regional average: 147 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

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)

722

Country (24h)