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M3.9 Depth: 82.0 km

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

UTC time: 2026-01-31 03:53:12 UTC Local time: —

About this earthquake

A magnitude M3.9 earthquake was recorded near Ullúm, San Juan (Argentina) on January 31, 2026 at 03:53 UTC. At around 82 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Argentina: 6 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Details

Magnitude
M3.9
Depth
82.0 km
UTC time
2026-01-31 03:53:12 UTC
Local time
—
Country
Argentina
State
San Juan
City
Ullúm
County
Ullúm
Source
emsc
Coordinates
-31.29000, -68.58000
Temperature
23.9°C

Map

Depth profile

Depth profile Depth: 82 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 82 km
Intermediate
82 km
82 km — shallower than the regional average (147 km)
Regional average: 147 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: 263 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 304 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 340 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 388 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 402 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 424 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

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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