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Argentina

M4.6 Earthquake near San Luis Province, Argentina (Argentina)

UTC time: 2025-09-21 09:08:58 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 September 21, 2025 at 09:08 UTC, a magnitude M4.6 earthquake occurred near San Luis Province, Argentina (Argentina). The earthquake originated at an intermediate depth of about 143 km. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

ID
1f4ae8bb76b2e8c33c9005ac8a20e1d96fff3390
Magnitude
M4.6
Depth
143.0 km
UTC time
2025-09-21 09:08:58 UTC
Local time
—
Country
Argentina
City
San Luis
Source
gfz
Coordinates
-32.08000, -66.84000
Temperature
12.1°C

Depth profile

Depth profile Depth: 143 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 143 km
Intermediate
143 km
143 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: 314 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 343 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 362 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 400 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 427 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 429 km ·Stratovolcano ·Elevation: 4'999 m ·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, 56 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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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