Back to map
Argentina · San Juan

M3.7 Earthquake near Ullúm, San Juan (Argentina)

UTC time: 2026-10-05 01:02:40 UTC Local time: —

Map

About this earthquake

On October 5, 2026 at 01:02 UTC, a magnitude M3.7 earthquake occurred near Ullúm, San Juan (Argentina). The earthquake originated at an intermediate depth of about 101 km. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 12 earthquakes, the strongest at M3.7.

Details

ID
3d44511aee53014a62023ae0a728f31f9f8c02c0
Magnitude
M3.7
Depth
101.0 km
UTC time
2026-10-05 01:02:40 UTC
Local time
—
Country
Argentina
State
San Juan
City
Ullúm
County
Ullúm
Source
emsc
Coordinates
-31.21000, -68.84000
Temperature
8.5°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 (140.6 km)
Regional average: 140.6 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: 262 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 303 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 341 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 389 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 401 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Tinguiririca
    Distance: 425 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

San Juan

Context for this earthquake

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

Of 412 other entries for this area and period, 64 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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