M4.9 Depth: 140.0 km

M4.9 Earthquake near LA RIOJA, ARGENTINA (Argentina)

UTC time: 2025-10-28 08:42:19 UTC Local time: —

About this earthquake

A magnitude M4.9 earthquake was recorded near LA RIOJA, ARGENTINA (Argentina) on October 28, 2025 at 08:42 UTC. The earthquake originated at an intermediate depth of about 140 km. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: 13 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude

M4.9

Depth

140.0 km

UTC time

2025-10-28 08:42:19 UTC

Local time

—

Country

Argentina

City

La Rioja

Source

emsc

Coordinates

-31.49320, -66.31230

Temperature

7.7°C

Map

Depth profile

Intermediate

140 km

140 km — close to the regional average (147 km)

Regional average: 147 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

Tupungatito

Distance: 391 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
San Jose

Distance: 421 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
Maipo

Distance: 443 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
Atuel, Caldera del

Distance: 481 km ·Caldera ·Elevation: 5'189 m ·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)

692

Country (24h)