Back to map
Argentina · San Juan

M3.2 Earthquake near Ullúm, San Juan (Argentina)

UTC time: 2026-10-21 07:23:22 UTC Local time: —

Map

About this earthquake

On October 21, 2026 at 07:23 UTC, a magnitude M3.2 earthquake occurred near Ullúm, San Juan (Argentina). The earthquake originated at an intermediate depth of about 101 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by INPRES and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 10 earthquakes, the strongest at M4.8.

Details

ID
375aba64c3b091cccc2c650d71dae2f1243f677f
Magnitude
M3.2
Depth
101.0 km
UTC time
2026-10-21 07:23:22 UTC
Local time
—
Country
Argentina
State
San Juan
City
Ullúm
County
Ullúm
Source
inpres
Coordinates
-31.29600, -68.63300
Temperature
19.5°C

Depth profile

Depth profile Depth: 101 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 101 km
Intermediate
101 km
101 km — shallower than the regional average (135.4 km)
Regional average: 135.4 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: 261 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 301 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: 400 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 422 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Domingo Faustino Sarmiento AirportArgentina · UAQ · SANU
    36.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-01

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

San Juan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 413 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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.

Share