M4.2 Depth: 190.0 km

M4.2 Earthquake near Ullúm, San Juan (Argentina)

UTC time: 2026-02-28 23:05:30 UTC Local time: —

About this earthquake

A magnitude M4.2 earthquake was recorded near Ullúm, San Juan (Argentina) on February 28, 2026 at 23:05 UTC. At around 190 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

Magnitude

M4.2

Depth

190.0 km

UTC time

2026-02-28 23:05:30 UTC

Local time

—

Country

Argentina

State

San Juan

City

Ullúm

County

Ullúm

Source

gfz

Coordinates

-31.14000, -69.06000

Temperature

11.3°C

Map

Depth profile

Intermediate

190 km

190 km — deeper 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: 305 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
Maipo

Distance: 344 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
Atuel, Caldera del

Distance: 392 km ·Caldera ·Elevation: 5'189 m ·Argentina
Palomo

Distance: 402 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
Tinguiririca

Distance: 426 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

Historic earthquake map · Argentina

Open history map

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.

Stats (last 24h)

Global (24h)

632

Country (24h)