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Argentina · San Juan

M3.3 Earthquake near Colonia Zavalla, San Juan (Argentina)

UTC time: 2026-08-09 18:24:41 UTC Local time: —

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About this earthquake

A magnitude M3.3 earthquake was recorded near Colonia Zavalla, San Juan (Argentina) on August 9, 2026 at 18:24 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: 11 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

ID
a6cffa38d5d5f6d6d62e755151fcf7d8347f5e18
Magnitude
M3.3
Depth
10.0 km
UTC time
2026-08-09 18:24:41 UTC
Local time
—
Country
Argentina
State
San Juan
City
Colonia Zavalla
County
Rawson
Source
emsc
Coordinates
-31.69000, -68.48000
Temperature
10.9°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 (140.5 km)
Regional average: 140.5 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: 268 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 303 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 349 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 366 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 385 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Domingo Faustino Sarmiento AirportArgentina · UAQ · SANU
    14.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

San Juan

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 413 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

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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