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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: —

Magnitude

M4.2

Depth: 10.0 km
Source: EMSC

San Juan · Sarmiento

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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 8 earthquakes, the strongest at M3.7.

Details

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

Shallow

10 km

10 km — shallower than the regional average (140.6 km)

Regional average: 140.6 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

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

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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.

Stats (last 24h)

Global (24h)

534

Country (24h)