Back to map
Argentina

M3.5 Earthquake near Chile-Argentina Border Region (Argentina)

UTC time: 2025-10-21 08:51:36 UTC Local time: —

Map

About this earthquake

A magnitude M3.5 earthquake was recorded near Chile-Argentina Border Region (Argentina) on October 21, 2025 at 08:51 UTC. The earthquake originated at an intermediate depth of about 143 km. Shaking of this size is frequently noticed but usually harmless.

The data is provided by GFZ and cross-checked across seismological networks. Argentina: 14 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
93f2e768c3c187b782bc32cd2ed0d0120183fbbc
Magnitude
M3.5
Depth
143.0 km
UTC time
2025-10-21 08:51:36 UTC
Local time
—
Country
Argentina
City
San Juan
Source
gfz
Coordinates
-31.71000, -70.07000
Temperature
-2.7°C

Depth profile

Depth profile Depth: 143 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 143 km
Intermediate
143 km
143 km — close to the regional average (143 km)
Regional average: 143 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: 192 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 232 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 274 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 321 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 323 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Tinguiririca
    Distance: 346 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

San Juan

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 394 Catalogue entries

Of 393 other entries for this area and period, 98 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.

Stats (last 24h)

Global (24h)
513
Country (24h)
Argentina
14
Current earthquakes in
Magnitude Place Local time

Share