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Argentina

M5.6 Earthquake near 37 km NW of Añatuya, Argentina (Argentina)

UTC time: 2025-12-27 10:40:50 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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M5.6 Earthquake near 37 km NW of Añatuya, Argentina (Argentina) · 2025-12-27 — Map showing the location of the epicenter
M5.6 Earthquake near 37 km NW of Añatuya, Argentina (Argentina) · 2025-12-27 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.6 earthquake was recorded near 37 km NW of Añatuya, Argentina (Argentina) on December 27, 2025 at 10:40 UTC. The deep hypocenter at about 588 km dampens the shaking felt at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by USGS. Argentina: 9 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
f29be92d872eb4e5448a726123a70811981c6867
Magnitude
M5.6
Depth
588.3 km
UTC time
2025-12-27 10:40:50 UTC
Local time
—
Country
Argentina
City
Santiago del Estero
Source
usgs
Coordinates
-28.27000, -63.15540
Temperature
29.5°C

Depth profile

Depth profile Depth: 588.3 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 588.3 km
Deep
588.3 km
588.3 km — deeper than the regional average (143.1 km)
Regional average: 143.1 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Anatuya37.9 kmSE20'261
Santiago del Estero120.6 kmNW252'192
San Miguel de Tucumán259.2 kmNW548'866

GeoNames · CC BY 4.0

Volcanoes nearby

  • Blanco, Cerro
    Distance: 483 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·Argentina

Comparison of seismic sources

2 sources currently report magnitudes from M5.4 to M5.6.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
USPM5.4588.4 km11.0 km
USGSM5.6588.3 km0.0 km

Argentina

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 1,410 Catalogue entries

Of 1,409 other entries for this area and period, 2 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2
Earlier events M≥413
Earlier events M≥510
Compared since2025-07-03

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.72025-10-02 21:37:58 UTC138.9 km29 km W of El Hoyo, Argentina M5.62025-12-27 10:40:49 UTC1.2 kmSantiago Del Estero Prov., Argentina M5.62025-10-02 21:37:58 UTC136.4 kmSantiago Del Estero Prov., Argentina M5.62025-10-02 21:37:57 UTC139.2 kmSantiago Del Estero Prov., Argentina M5.22025-07-09 19:11:59 UTC114.0 kmSantiago Del Estero Prov., Argentina

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.

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