M3.1 Depth: 101.0 km

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

UTC time: 2026-08-23 16:01:49 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Ullúm, San Juan (Argentina) on August 23, 2026 at 16:01 UTC. At around 101 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: 11 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

Magnitude

M3.1

Depth

101.0 km

UTC time

2026-08-23 16:01:49 UTC

Local time

—

Country

Argentina

State

San Juan

City

Ullúm

County

Ullúm

Source

emsc

Coordinates

-31.31000, -68.94000

Temperature

10.8°C

Map

Depth profile

Intermediate

101 km

101 km — shallower than the regional average (144.4 km)

Regional average: 144.4 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: 249 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
San Jose

Distance: 290 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
Maipo

Distance: 328 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
Atuel, Caldera del

Distance: 376 km ·Caldera ·Elevation: 5'189 m ·Argentina
Palomo

Distance: 388 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
Tinguiririca

Distance: 411 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)

634

Country (24h)