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Argentina · San Juan

M3.9 Earthquake near Calingasta, San Juan (Argentina)

UTC time: 2026-09-15 23:02:04 UTC Local time: —

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About this earthquake

On September 15, 2026 at 23:02 UTC, a magnitude M3.9 earthquake occurred near Calingasta, San Juan (Argentina). At around 133 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Argentina: 8 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

ID
5a956a0ef95d18020ff60fa439d4fab41ad0bcad
Magnitude
M3.9
Depth
132.5 km
UTC time
2026-09-15 23:02:04 UTC
Local time
—
Country
Argentina
State
San Juan
City
Calingasta
County
Calingasta
Source
emsc
Coordinates
-31.89000, -69.87000
Temperature
-14.3°C

Depth profile

Depth profile Depth: 132.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 132.5 km
Intermediate
132.5 km
132.5 km — close to the regional average (142.4 km)
Regional average: 142.4 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: 171 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 211 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 253 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 300 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 305 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Tinguiririca
    Distance: 328 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

San Juan

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 400 Catalogue entries

Of 399 other entries for this area and period, 53 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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