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Argentina · San Juan

M4.2 Earthquake near Sarmiento, San Juan (Argentina)

UTC time: 2026-03-18 16:18:27 UTC Local time: —

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About this earthquake

On March 18, 2026 at 16:18 UTC, a magnitude M4.2 earthquake occurred near Sarmiento, San Juan (Argentina). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: over the past 24 hours, QuakeMap24 logged 7 earthquakes, the strongest at M5.1.

Details

ID
dad30afe121fccf898d3de87df2283dc99339591
Magnitude
M4.2
Depth
10.0 km
UTC time
2026-03-18 16:18:27 UTC
Local time
—
Country
Argentina
State
San Juan
City
Sarmiento
County
Sarmiento
Source
emsc
Coordinates
-32.05000, -68.77000
Temperature
24.4°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 (143.2 km)
Regional average: 143.2 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: 181 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
  • San Jose
    Distance: 220 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
  • Maipo
    Distance: 255 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
  • Atuel, Caldera del
    Distance: 302 km ·Caldera ·Elevation: 5'189 m ·Argentina
  • Palomo
    Distance: 318 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
  • Risco Plateado
    Distance: 338 km ·Stratovolcano ·Elevation: 4'999 m ·Argentina

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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