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Argentina

M4.5 Earthquake near San Juan Province, Argentina (Argentina)

UTC time: 2025-12-18 07:21:40 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

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About this earthquake

On December 18, 2025 at 07:21 UTC, a magnitude M4.5 earthquake occurred near San Juan Province, Argentina (Argentina). At around 135 km, the focal depth places this among intermediate-depth events. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by GFZ. Argentina: over the past 24 hours, QuakeMap24 logged 12 earthquakes, the strongest at M4.0.

Details

ID
a77306ef520e17dc643ee3322b4c858040ba76f8
Magnitude
M4.5
Depth
135.0 km
UTC time
2025-12-18 07:21:40 UTC
Local time
—
Country
Argentina
City
San Juan
Source
gfz
Coordinates
-31.65000, -69.78000
Temperature
-2.5°C

Depth profile

Depth profile Depth: 135 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 135 km
Intermediate
135 km
135 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: 280 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, 21 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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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.

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