M4.8 Depth: 122.0 km

M4.8 Earthquake near South Sandwich Islands region

UTC time: 2026-07-18 16:57:34 UTC Local time: —

About this earthquake

On July 18, 2026 at 16:57 UTC, a magnitude M4.8 earthquake occurred near South Sandwich Islands region. At around 122 km, the focal depth places this among intermediate-depth events. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks.

Details

Magnitude

M4.8

Depth

122.0 km

UTC time

2026-07-18 16:57:34 UTC

Local time

—

Country

—

Source

usgs

Coordinates

-59.43870, -26.24270

Temperature

-6.6°C

Map

Depth profile

Intermediate

122 km

Why depth matters

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

Depth classes per USGS

Tectonic context

Located on the Sandwich Plate.

Near the boundary Sandwich ↔ South America · about 86 km away

Volcanoes nearby

Bristol Island

Distance: 50 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
Southern Thule

Distance: 56 km ·Stratovolcano(es) ·Elevation: 1'075 m ·Last eruption: 1975 ·United Kingdom
Montagu Island

Distance: 111 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
Saunders

Distance: 183 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
Candlemas Island

Distance: 263 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
Hodson

Distance: 308 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom

Stats (last 24h)

Global (24h)

629

Country (24h)

—

Current earthquakes in

Magnitude Place Local time

No recent events available.