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M4.9 Earthquake near South Sandwich Islands region

UTC time: 2026-09-28 04:41:33 UTC Local time: —
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Archive record · original publication time was not recorded Content updated:

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

Magnitude
M4.9
Depth
35.0 km
Source
USGS

South Sandwich Islands region

Map

About this earthquake

A magnitude M4.9 earthquake was recorded near South Sandwich Islands region on September 28, 2026 at 04:41 UTC. The hypocenter lay relatively close to the surface at around 35 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

ID
db14e7fff59d1d7621a5c80be891a81cf337f33d
Magnitude
M4.9
Depth
35.0 km
UTC time
2026-09-28 04:41:33 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-57.65020, -25.34700
Temperature
-3.2°C

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Tectonic context

Located on the Sandwich Plate.
Near the boundary Sandwich ↔ South America · about 76 km away

Volcanoes nearby

  • Saunders
    Distance: 69 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
  • Candlemas Island
    Distance: 102 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Montagu Island
    Distance: 107 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
  • Hodson
    Distance: 152 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Bristol Island
    Distance: 167 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
  • Leskov Island
    Distance: 201 km ·Stratovolcano ·Elevation: 190 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)
488
Country (24h)
—
—
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