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South Georgia & South Sandwich Islands

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

UTC time: 2025-07-20 18:41:16 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

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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.

Depth profile

Depth profile Depth: 127.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 127.6 km
Intermediate
127.6 km
127.6 km — close to the regional average (110.6 km)
Regional average: 110.6 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

  • 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

South Georgia & South Sandwich Islands

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 8 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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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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South Georgia & South Sandwich Islands
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