Back to map
Argentina · San Juan

M2.8 Earthquake near Ullúm, San Juan (Argentina)

UTC time: 2026-10-23 01:45:05 UTC Local time: —

Map

About this earthquake

On October 23, 2026 at 01:45 UTC, a magnitude M2.8 earthquake occurred near Ullúm, San Juan (Argentina). The earthquake originated at an intermediate depth of about 106 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by INPRES. Argentina: over the past 24 hours, QuakeMap24 logged 10 earthquakes, the strongest at M4.8.

Details

ID
76e005cc0f33f48ad84be83cef007e28939a5b8c
Magnitude
M2.8
Depth
106.0 km
UTC time
2026-10-23 01:45:05 UTC
Local time
—
Country
Argentina
State
San Juan
City
Ullúm
County
Ullúm
Source
inpres
Coordinates
-31.38800, -68.62400
Temperature
19.5°C

Depth profile

Depth profile Depth: 106 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 106 km
Intermediate
106 km
106 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: 252 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 292 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 329 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: 390 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 412 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
    28.2 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 ≥ 2.0 · 1,034 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