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Argentina

M4.0 Earthquake near 48 km SE of San Agustín de Valle Fértil, Argentina (Argentina)

UTC time: 2025-10-09 04:10:56 UTC Local time: —

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About this earthquake

On October 9, 2025 at 04:10 UTC, a magnitude M4.0 earthquake occurred near 48 km SE of San Agustín de Valle Fértil, Argentina (Argentina). The hypocenter lay relatively close to the surface at around 36 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. Argentina: 16 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
c2ac955a51057abccd43bf33ec99db96c2c922f3
Magnitude
M4.0
Depth
36.1 km
UTC time
2025-10-09 04:10:56 UTC
Local time
—
Country
Argentina
City
La Rioja
Source
usgs
Coordinates
-30.90450, -67.07110
Temperature
17.7°C

Depth profile

Depth profile Depth: 36.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 36.1 km
Shallow
36.1 km
36.1 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

  • Tupungatito
    Distance: 380 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 416 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Tipas
    Distance: 437 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Maipo
    Distance: 445 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Ojos del Salado, Nevados
    Distance: 446 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Incahuasi, Nevado de
    Distance: 447 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina

La Rioja

Context for this earthquake

07 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 77 Catalogue entries

Of 76 other entries for this area and period, 10 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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)
505
Country (24h)
Argentina
16
Current earthquakes in
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