M3.9 Depth: 101.0 km

M3.9 Earthquake near SAN JUAN, ARGENTINA (Argentina)

UTC time: 2025-12-18 21:28:53 UTC Local time: —

About this earthquake

On December 18, 2025 at 21:28 UTC, a magnitude M3.9 earthquake occurred near SAN JUAN, ARGENTINA (Argentina). At around 101 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Argentina: 10 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude

M3.9

Depth

101.0 km

UTC time

2025-12-18 21:28:53 UTC

Local time

—

Country

Argentina

City

San Juan

Source

emsc

Coordinates

-31.14000, -68.38000

Temperature

31.4°C

Map

Depth profile

Intermediate

101 km

101 km — shallower than the regional average (147 km)

Regional average: 147 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: 287 km ·Stratovolcano ·Elevation: 5'660 m ·Last eruption: 1987 ·Chile-Argentina
San Jose

Distance: 327 km ·Stratovolcano(es) ·Elevation: 6'070 m ·Last eruption: 1960 ·Chile-Argentina
Maipo

Distance: 363 km ·Caldera ·Elevation: 5'323 m ·Last eruption: 1912 ·Chile-Argentina
Atuel, Caldera del

Distance: 410 km ·Caldera ·Elevation: 5'189 m ·Argentina
Palomo

Distance: 425 km ·Stratovolcano ·Elevation: 4'860 m ·Chile
Tipas

Distance: 439 km ·Complex ·Elevation: 6'658 m ·Argentina

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)

682

Country (24h)