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M4.6 Earthquake near South Sandwich Islands Region

UTC time: 2025-09-23 05:36:44 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
M4.6
Depth
127.0 km
Source
USP

South Sandwich Islands Region

Map

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

ID
fff309f260557d5f0acb8b6c8b96fd58dc321c05
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

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

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
607
Country (24h)
—
—
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