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M5.5 Earthquake near Santiago del Estero Province, Argentina [Land: 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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M5.5 Earthquake near Santiago del Estero Province, Argentina [Land: Argentina] (Argentina) · 2025-12-27 — Map showing the location of the epicenter
M5.5 Earthquake near Santiago del Estero Province, Argentina [Land: Argentina] (Argentina) · 2025-12-27 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.5 earthquake was recorded near Santiago del Estero Province, Argentina [Land: Argentina] (Argentina) on December 27, 2025 at 10:40 UTC. At roughly 604 km, the focus was very deep, so surface shaking tends to be weaker. Events of this size can cause damage near the epicenter.

The event was recorded by INGV. Argentina: over the past 24 hours, QuakeMap24 logged 9 earthquakes, the strongest at M4.0.

Details

ID
90dce120b12624b5af6e5a1f9aa632bbc098b9f5
Magnitude
M5.5
Depth
604.3 km
UTC time
2025-12-27 10:40:50 UTC
Local time
—
Country
Argentina
City
Santiago del Estero
Source
ingv
Coordinates
-28.25510, -63.34610
Temperature
29.1°C

Depth profile

Depth profile Depth: 604.3 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 604.3 km
Deep
604.3 km
604.3 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
Anatuya55.1 kmSE20'261
Santiago del Estero103.2 kmNW252'192
San Miguel de Tucumán243.7 kmNW548'866

GeoNames · CC BY 4.0

Volcanoes nearby

  • Blanco, Cerro
    Distance: 464 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·Argentina

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, 4 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#5
Earlier events M≥414
Earlier events M≥511
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 UTC133.6 km29 km W of El Hoyo, Argentina M5.62025-12-27 10:40:49 UTC18.2 kmSantiago Del Estero Prov., Argentina M5.62025-10-02 21:37:58 UTC134.1 kmSantiago Del Estero Prov., Argentina M5.62025-10-02 21:37:57 UTC136.1 kmSantiago Del Estero Prov., Argentina M5.42025-12-27 10:40:49 UTC9.1 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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