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Argentina · San Juan

M3.6 Earthquake near 25 de Mayo, San Juan (Argentina)

UTC time: 2026-09-20 16:31:10 UTC Local time: —

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About this earthquake

A magnitude M3.6 earthquake was recorded near 25 de Mayo, San Juan (Argentina) on September 20, 2026 at 16:31 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Argentina: over the past 24 hours, QuakeMap24 logged 10 earthquakes, the strongest at M5.3.

Details

ID
13cc01506e4ebaf22dd968b8d7e86cec20a9a105
Magnitude
M3.6
Depth
10.0 km
UTC time
2026-09-20 16:31:10 UTC
Local time
—
Country
Argentina
State
San Juan
City
25 de Mayo
County
25 de Mayo
Source
emsc
Coordinates
-32.03000, -68.00000
Temperature
29.1°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (142.4 km)
Regional average: 142.4 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: 229 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 264 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 292 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 336 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 357 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 370 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

San Juan

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 400 Catalogue entries

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

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Historic earthquake map · Argentina

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Country statistics · Argentina

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