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Argentina · San Luis

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

UTC time: 2026-09-09 11:28:43 UTC Local time: —

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About this earthquake

On September 9, 2026 at 11:28 UTC, a magnitude M2.9 earthquake occurred near Ayacucho, San Luis (Argentina). At around 107 km, the focal depth places this among intermediate-depth events. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by EMSC. Argentina: over the past 24 hours, QuakeMap24 logged 9 earthquakes, the strongest at M5.1.

Details

ID
7d70f209147b193c9cdb54c4354aebbadb96edbc
Magnitude
M2.9
Depth
107.0 km
UTC time
2026-09-09 11:28:43 UTC
Local time
—
Country
Argentina
State
San Luis
City
Ayacucho
County
Ayacucho
Source
emsc
Coordinates
-31.91000, -67.09000
Temperature
10.6°C

Depth profile

Depth profile Depth: 107 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 107 km
Intermediate
107 km
107 km — shallower than the regional average (142.7 km)
Regional average: 142.7 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: 304 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 335 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 358 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 398 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 423 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 429 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

San Luis

Context for this earthquake

09 Sep 2025 – 09 Sep 2026 · M ≥ 2.0 · 35 Catalogue entries

Of 34 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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