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Argentina

M3.3 Earthquake near SAN JUAN, ARGENTINA (Argentina)

UTC time: 2025-12-18 07:21:40 UTC Local time: —

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About this earthquake

On December 18, 2025 at 07:21 UTC, a magnitude M3.3 earthquake occurred near SAN JUAN, ARGENTINA (Argentina). The earthquake originated at an intermediate depth of about 135 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Argentina: 11 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
c982ceb102396dbb6a73a44545a1097ee1966db3
Magnitude
M3.3
Depth
135.2 km
UTC time
2025-12-18 07:21:40 UTC
Local time
—
Country
Argentina
City
San Juan
Source
emsc
Coordinates
-31.65200, -69.77500
Temperature
-2.5°C

Depth profile

Depth profile Depth: 135.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 135.2 km
Intermediate
135.2 km
135.2 km — close to the regional average (143.1 km)
Regional average: 143.1 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: 197 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 238 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 279 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 327 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 332 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Tinguiririca
    Distance: 356 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, 145 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Argentina

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Country statistics · Argentina

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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