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Argentina

M2.8 Earthquake near SAN JUAN, ARGENTINA (Argentina)

UTC time: 2025-12-29 23:21:21 UTC Local time: —

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About this earthquake

On December 29, 2025 at 23:21 UTC, a magnitude M2.8 earthquake occurred near SAN JUAN, ARGENTINA (Argentina). The hypocenter lay relatively close to the surface at around 29 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 9 earthquakes, the strongest at M4.0.

Details

ID
cf5475502c4668ee82233bcbea2ea1c688503628
Magnitude
M2.8
Depth
29.0 km
UTC time
2025-12-29 23:21:21 UTC
Local time
—
Country
Argentina
City
San Juan
Source
emsc
Coordinates
-31.48000, -68.77000
Temperature
13.8°C

Depth profile

Depth profile Depth: 29 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 29 km
Shallow
29 km
29 km — shallower than the regional average (143.1 km)
Regional average: 143.1 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Tupungatito
    Distance: 237 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 278 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 315 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 362 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 376 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 398 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Domingo Faustino Sarmiento AirportArgentina · UAQ · SANU
    34.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

San Juan

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 975 Catalogue entries

Of 974 other entries for this area and period, 493 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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