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Argentina · San Juan

M3.1 Earthquake near Casuarinas, San Juan (Argentina)

UTC time: 2026-07-26 22:16:42 UTC Local time: —

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About this earthquake

On July 26, 2026 at 22:16 UTC, a magnitude M3.1 earthquake occurred near Casuarinas, San Juan (Argentina). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 16 earthquakes, the strongest at M4.1.

Details

ID
18e12a0da902580f74f9ddb94ab31de238d93cad
Magnitude
M3.1
Depth
10.0 km
UTC time
2026-07-26 22:16:42 UTC
Local time
—
Country
Argentina
State
San Juan
City
Casuarinas
County
25 de Mayo
Village
Casuarinas
Source
emsc
Coordinates
-31.80000, -68.30000
Temperature
13.7°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 (142.1 km)
Regional average: 142.1 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: 267 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 299 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 345 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 363 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 380 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
    27.8 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

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

22 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 403 Catalogue entries

Of 402 other entries for this area and period, 242 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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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