M4.0 Depth: 10.0 km

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

UTC time: 2025-12-10 00:15:23 UTC Local time: —

About this earthquake

A magnitude M4.0 earthquake was recorded near LA RIOJA, ARGENTINA (Argentina) on December 10, 2025 at 00:15 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by EMSC. Argentina: 11 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude

M4.0

Depth

10.0 km

UTC time

2025-12-10 00:15:23 UTC

Local time

—

Country

Argentina

City

La Rioja

Source

emsc

Coordinates

-28.67000, -68.06000

Temperature

14.8°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: 171 km ·Complex ·Elevation: 6'658 m ·Argentina
Ojos del Salado, Nevados

Distance: 180 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
Incahuasi, Nevado de

Distance: 183 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
Solo, El

Distance: 185 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
Falso Azufre

Distance: 210 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina
Blanco, Cerro

Distance: 214 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)

685

Country (24h)