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Argentina · San Luis

M2.9 Earthquake near Ayacucho, San Luis (Argentina)

UTC time: 2026-10-05 01:51:34 UTC Local time: —

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About this earthquake

On October 5, 2026 at 01:51 UTC, a magnitude M2.9 earthquake occurred near Ayacucho, San Luis (Argentina). The earthquake originated at an intermediate depth of about 135 km. Events of this size typically go unnoticed.

The event was recorded by EMSC. Argentina: 12 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

ID
102ce50e57a7b91dafb1914209280ffc54764681
Magnitude
M2.9
Depth
135.0 km
UTC time
2026-10-05 01:51:34 UTC
Local time
—
Country
Argentina
State
San Luis
City
Ayacucho
County
Ayacucho
Source
emsc
Coordinates
-32.08000, -67.20000
Temperature
18.9°C

Depth profile

Depth profile Depth: 135 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 135 km
Intermediate
135 km
135 km — close to the regional average (140.6 km)
Regional average: 140.6 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: 285 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 315 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 337 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 377 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 402 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 407 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

San Luis

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 37 Catalogue entries

Of 36 other entries for this area and period, 14 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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