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M3.1 Depth: 103.0 km

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

UTC time: 2026-02-28 07:27:42 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Ullúm, San Juan (Argentina) on February 28, 2026 at 07:27 UTC. At around 103 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 5 earthquakes, the strongest at M3.1.

Details

Magnitude
M3.1
Depth
103.0 km
UTC time
2026-02-28 07:27:42 UTC
Local time
—
Country
Argentina
State
San Juan
City
Ullúm
County
Ullúm
Source
emsc
Coordinates
-31.20000, -69.02000
Temperature
9.1°C

Map

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 (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: 258 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 299 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: 397 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Tinguiririca
    Distance: 421 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

Historic earthquake map · Argentina

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Argentina

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

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