M4.9 Depth: 127.6 km

M4.9 Earthquake near South Sandwich Islands region (South Georgia & South Sandwich Islands)

UTC time: 2025-07-20 18:41:16 UTC Local time: —

About this earthquake

On July 20, 2025 at 18:41 UTC, a magnitude M4.9 earthquake occurred near South Sandwich Islands region (South Georgia & South Sandwich Islands). The earthquake originated at an intermediate depth of about 128 km. 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

M4.9

Depth

127.6 km

UTC time

2025-07-20 18:41:16 UTC

Local time

—

Country

South Georgia & South Sandwich Islands

City

South Sandwich Islands

Source

usgs

Coordinates

-56.69250, -26.94990

Temperature

-0.5°C

Map

Depth profile

Intermediate

127.6 km

127.6 km — deeper than the regional average (86.5 km)

Regional average: 86.5 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

Hodson

Distance: 14 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
Candlemas Island

Distance: 46 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
Zavodovski

Distance: 58 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
Leskov Island

Distance: 73 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
Protector Seamounts

Distance: 115 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
Saunders

Distance: 126 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom

Historic earthquake map · South Georgia & South Sandwich Islands

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Country statistics · South Georgia & South Sandwich Islands

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Stats (last 24h)

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