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Argentina · San Juan

M2.7 Earthquake near Ullúm, San Juan (Argentina)

UTC time: 2026-10-03 10:17:58 UTC Local time: —

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About this earthquake

A magnitude M2.7 earthquake was recorded near Ullúm, San Juan (Argentina) on October 3, 2026 at 10:17 UTC. The earthquake originated at an intermediate depth of about 103 km. Events of this size typically go unnoticed.

The event was recorded by INPRES. Argentina: over the past 24 hours, QuakeMap24 logged 19 earthquakes, the strongest at M4.7.

Details

ID
0ec0b83c4c6c3c4939615e21d752951dc2750334
Magnitude
M2.7
Depth
103.0 km
UTC time
2026-10-03 10:17:58 UTC
Local time
—
Country
Argentina
State
San Juan
City
Ullúm
County
Ullúm
Source
inpres
Coordinates
-31.18900, -69.11000
Temperature
6.8°C

Depth profile

Depth profile Depth: 103 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 103 km
Intermediate
103 km
103 km — shallower than the regional average (133.7 km)
Regional average: 133.7 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: 257 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 298 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 338 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 386 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 396 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Tinguiririca
    Distance: 419 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

San Juan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 1,034 Catalogue entries

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

Open seismic profile

Historic earthquake map · Argentina

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Country statistics · Argentina

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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