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Argentina · San Juan

M2.8 Earthquake near Ullúm, San Juan (Argentina)

UTC time: 2026-04-27 23:31:07 UTC Local time: —

Magnitude

M2.8

Depth: 83.0 km
Source: EMSC

San Juan · Ullúm

Country overview

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About this earthquake

A magnitude M2.8 earthquake was recorded near Ullúm, San Juan (Argentina) on April 27, 2026 at 23:31 UTC. The earthquake originated at an intermediate depth of about 83 km. Events of this size typically go unnoticed.

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

d7b3c28c45934e369813c04325f7c0ee3d213f8d

Magnitude

M2.8

Depth

83.0 km

UTC time

2026-04-27 23:31:07 UTC

Local time

—

Country

Argentina

State

San Juan

City

Ullúm

County

Ullúm

Source

emsc

Coordinates

-31.42000, -68.81000

Temperature

9.2°C

Depth profile

Intermediate

83 km

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

Regional average: 140.6 km

Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

Tupungatito

Distance: 241 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
San Jose

Distance: 282 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
Maipo

Distance: 320 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
Atuel, Caldera del

Distance: 368 km ·Caldera ·Elevation: 5'189 m ·Argentina
Palomo

Distance: 381 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
Tinguiririca

Distance: 404 km ·Stratovolcano ·Elevation: 4'280 m ·Last eruption: 1917 ·Chile

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

Domingo Faustino Sarmiento AirportArgentina · UAQ · SANU
40.8 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 ≥ 2.0 · 1,034 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.

Stats (last 24h)

Global (24h)

549

Country (24h)