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South Georgia & South Sandwich Islands · South Sandwich Islands

M4.5 Earthquake near South Sandwich Islands (South Georgia & South Sandwich Islands)

UTC time: 2026-06-23 17:08:56 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

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

Magnitude
M4.5
Depth
231.7 km
Source
USGS

South Sandwich Islands · South Sandwich Islands

Country overview

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About this earthquake

A magnitude M4.5 earthquake was recorded near South Sandwich Islands (South Georgia & South Sandwich Islands) on June 23, 2026 at 17:08 UTC. The earthquake originated at an intermediate depth of about 232 km. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS.

Depth profile

Depth profile Depth: 231.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 231.7 km
Intermediate
231.7 km
231.7 km — deeper than 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

Tectonic context

Located on the Sandwich Plate.
Near the boundary Sandwich ↔ Scotia · about 111 km away

Volcanoes nearby

  • Southern Thule
    Distance: 14 km ·Stratovolcano(es) ·Elevation: 1'075 m ·Last eruption: 1975 ·United Kingdom
  • Bristol Island
    Distance: 74 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
  • Montagu Island
    Distance: 131 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
  • Saunders
    Distance: 195 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
  • Candlemas Island
    Distance: 271 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Hodson
    Distance: 308 km ·Stratovolcano ·Elevation: 835 m ·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.

Open seismic profile

Historic earthquake map · South Georgia & South Sandwich Islands

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Country statistics · South Georgia & South Sandwich Islands

Country overview
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Stats (last 24h)

Global (24h)
599
Country (24h)
South Georgia & South Sandwich Islands
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