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Argentina

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

UTC time: 2025-10-28 08:42:19 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

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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: 10 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

ID
f4f63131f8a9a814694f9d9629cddb4df039a1d7
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

Depth profile

Depth profile Depth: 140 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 140 km
Intermediate
140 km
140 km — close to 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

  • 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

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.

Stats (last 24h)

Global (24h)
569
Country (24h)
Argentina
10
Current earthquakes in
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