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Argentina · Salta

M4.2 Earthquake near Profesor Salvador Mazza, Salta (Argentina)

UTC time: 2026-10-29 16:08:17 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.2
Depth
527.6 km
Source
USGS

Salta · Profesor Salvador Mazza

Country overview

Map

About this earthquake

A magnitude M4.2 earthquake was recorded near Profesor Salvador Mazza, Salta (Argentina) on October 29, 2026 at 16:08 UTC. The deep hypocenter at about 528 km dampens the shaking felt at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 10 earthquakes, the strongest at M4.8.

Details

ID
d5537a830c8e23c0f00ffacca30181c8ea86a7c9
Magnitude
M4.2
Depth
527.6 km
UTC time
2026-10-29 16:08:17 UTC
Local time
—
Country
Argentina
State
Salta
City
Profesor Salvador Mazza
County
General San Martín
Source
usgs
Coordinates
-22.02850, -63.70000
Temperature
25.8°C

Depth profile

Depth profile Depth: 527.6 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 527.6 km
Deep
527.6 km
527.6 km — deeper than the regional average (135.4 km)
Regional average: 135.4 km
Why depth matters

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

Depth classes per USGS

Tectonic context

Located on the South America Plate.
Near the boundary Altiplano ↔ South America · about 72 km away

Volcanoes nearby

  • Guayaques
    Distance: 409 km ·Lava dome(s) ·Elevation: 5'598 m ·Chile-Bolivia
  • Acamarachi
    Distance: 426 km ·Stratovolcano ·Elevation: 6'023 m ·Chile
  • Colachi
    Distance: 427 km ·Stratovolcano ·Elevation: 5'631 m ·Chile
  • Purico Complex
    Distance: 430 km ·Shield(pyroclastic) ·Elevation: 5'703 m ·Chile
  • Putana
    Distance: 431 km ·Stratovolcano ·Elevation: 5'884 m ·Last eruption: 1810 ·Chile
  • Cordon de Puntas Negras
    Distance: 437 km ·Stratovolcano(es) ·Elevation: 5'852 m ·Chile

Salta

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 518 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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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