M3.5 Depth: 143.0 km

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

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

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: 13 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

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

Map

Depth profile

Intermediate

143 km

143 km — close to the regional average (147 km)

Regional average: 147 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

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)

689

Country (24h)