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Argentina · San Luis

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

UTC time: 2026-10-01 08:09:53 UTC Local time: —

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About this earthquake

On October 1, 2026 at 08:09 UTC, a magnitude M2.9 earthquake occurred near Ayacucho, San Luis (Argentina). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 7 earthquakes, the strongest at M3.4.

Details

ID
d83dda66220a6300c4729efa2fb6773f68683e70
Magnitude
M2.9
Depth
10.0 km
UTC time
2026-10-01 08:09:53 UTC
Local time
—
Country
Argentina
State
San Luis
City
Ayacucho
County
Ayacucho
Source
emsc
Coordinates
-32.07000, -67.37000
Temperature
14.0°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (140.8 km)
Regional average: 140.8 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: 272 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 303 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 327 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 367 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 392 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 399 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

San Luis

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 2.0 · 36 Catalogue entries

Of 35 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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Country statistics · Argentina

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