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Argentina · San Juan

M3.1 Earthquake near Calingasta, San Juan (Argentina)

UTC time: 2026-09-27 08:37:04 UTC Local time: —

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About this earthquake

On September 27, 2026 at 08:37 UTC, a magnitude M3.1 earthquake occurred near Calingasta, San Juan (Argentina). At around 108 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: 14 earthquakes were recorded in the past 24 hours, the strongest reaching M4.6.

Details

ID
e584ce89d1f59fd16a4cf72f7c4b7681a4c927dc
Magnitude
M3.1
Depth
107.7 km
UTC time
2026-09-27 08:37:04 UTC
Local time
—
Country
Argentina
State
San Juan
City
Calingasta
County
Calingasta
Source
emsc
Coordinates
-31.70000, -70.43000
Temperature
-5.9°C

Depth profile

Depth profile Depth: 107.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 107.7 km
Intermediate
107.7 km
107.7 km — shallower than the regional average (140.4 km)
Regional average: 140.4 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: 201 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 238 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 280 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Palomo
    Distance: 324 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Atuel, Caldera del
    Distance: 325 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Tinguiririca
    Distance: 346 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

San Juan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 413 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · Argentina

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Country statistics · Argentina

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