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M5.0 Earthquake near South Sandwich Islands region

UTC time: 2026-09-27 21:13:33 UTC Local time: —
Earthquake newsQuakeMap24
First published: Content updated:

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

Magnitude
M5.0
Depth
103.8 km
Source
USGS

South Sandwich Islands region

Map

M5.0 Earthquake near South Sandwich Islands region · 2026-09-27 — Map showing the location of the epicenter
M5.0 Earthquake near South Sandwich Islands region · 2026-09-27 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.0 earthquake was recorded near South Sandwich Islands region on September 27, 2026 at 21:13 UTC. At around 104 km, the focal depth places this among intermediate-depth events. Events of this size can cause damage near the epicenter.

The event was recorded by USGS.

Details

ID
749d013b8e448046eadb4d9d59d2dfa8bd59c602
Magnitude
M5.0
Depth
103.8 km
UTC time
2026-09-27 21:13:33 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-59.05860, -25.89450
Temperature
-5.7°C

Depth profile

Depth profile Depth: 103.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 103.8 km
Intermediate
103.8 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 ↔ South America · about 89 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Grytviken860.3 kmNW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Bristol Island
    Distance: 37 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
  • Montagu Island
    Distance: 74 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
  • Southern Thule
    Distance: 87 km ·Stratovolcano(es) ·Elevation: 1'075 m ·Last eruption: 1975 ·United Kingdom
  • Saunders
    Distance: 144 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
  • Candlemas Island
    Distance: 225 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Hodson
    Distance: 272 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom

Comparison of seismic sources

3 sources currently report magnitudes from M5.0 to M5.1.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
GFZM5.189.0 km24.2 km
EMSCM5.0103.8 km0.0 km
USGSM5.0103.8 km0.0 km

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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#70
Earlier events M≥4158
Earlier events M≥5113
Compared since2025-01-03

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.52026-01-29 07:30:34 UTC136.9 kmSouth Sandwich Islands Region M5.92025-08-31 16:24:29 UTC89.5 kmSOUTH SANDWICH ISLANDS REGION M5.92025-08-31 16:24:28 UTC89.5 kmSouth Sandwich Islands region M5.82026-02-16 14:52:52 UTC120.6 kmSouth Sandwich Islands Region M5.72026-02-16 14:52:58 UTC143.4 kmSOUTH SANDWICH ISLANDS REGION

Stats (last 24h)

Global (24h)
503
Country (24h)
—
—
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