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Argentina · San Juan

M4.1 Earthquake near Ullúm, San Juan (Argentina)

UTC time: 2026-09-11 23:40:07 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

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About this earthquake

On September 11, 2026 at 23:40 UTC, a magnitude M4.1 earthquake occurred near Ullúm, San Juan (Argentina). The earthquake originated at an intermediate depth of about 155 km. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 8 earthquakes, the strongest at M4.7.

Details

ID
fffcdc4cc7cb138912bcd5e4b367864699974add
Magnitude
M4.1
Depth
155.0 km
UTC time
2026-09-11 23:40:07 UTC
Local time
—
Country
Argentina
State
San Juan
City
Ullúm
County
Ullúm
Source
emsc
Coordinates
-31.00000, -69.14000
Temperature
1.7°C

Depth profile

Depth profile Depth: 155 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 155 km
Intermediate
155 km
155 km — close to the regional average (142.5 km)
Regional average: 142.5 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: 277 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 318 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 358 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 406 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 415 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Tipas
    Distance: 427 km ·Complex ·Elevation: 6'658 m ·Argentina

San Juan

Context for this earthquake

14 Sep 2025 – 14 Sep 2026 · M ≥ 3.0 · 395 Catalogue entries

Of 394 other entries for this area and period, 43 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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.

Stats (last 24h)

Global (24h)
590
Country (24h)
Argentina
8
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