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M4.6 Depth: 127.0 km

M4.6 Earthquake near South Sandwich Islands Region

UTC time: 2025-09-23 05:36:44 UTC Local time: —

About this earthquake

A magnitude M4.6 earthquake was recorded near South Sandwich Islands Region on September 23, 2025 at 05:36 UTC. At around 127 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

Magnitude
M4.6
Depth
127.0 km
UTC time
2025-09-23 05:36:44 UTC
Local time
—
Country
—
Source
usp
Coordinates
-58.73277, -25.97702

Map

Depth profile

Depth profile Depth: 127 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 127 km
Intermediate
127 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

  • Montagu Island
    Distance: 39 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
  • Bristol Island
    Distance: 45 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
  • Southern Thule
    Distance: 106 km ·Stratovolcano(es) ·Elevation: 1'075 m ·Last eruption: 1975 ·United Kingdom
  • Saunders
    Distance: 108 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
  • Candlemas Island
    Distance: 188 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Hodson
    Distance: 236 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom

Stats (last 24h)

Global (24h)
629
Country (24h)
—
—
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