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M5.5 Depth: 10.0 km

M5.5 Earthquake near South Sandwich Islands Region

UTC time: 2025-10-11 08:06:39 UTC Local time: —

About this earthquake

On October 11, 2025 at 08:06 UTC, a magnitude M5.5 earthquake occurred near South Sandwich Islands Region. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

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

Details

Magnitude
M5.5
Depth
10.0 km
UTC time
2025-10-11 08:06:39 UTC
Local time
—
Country
—
Source
gfz
Coordinates
-56.24000, -26.54000
Temperature
0.3°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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

Nearby population centers

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

PlaceDistanceDirectionPopulation
Grytviken667.5 kmW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Zavodovski
    Distance: 64 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Hodson
    Distance: 65 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Candlemas Island
    Distance: 94 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Protector Seamounts
    Distance: 107 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Leskov Island
    Distance: 109 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Saunders
    Distance: 173 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours5
First 24 hours5
First 72 hours5
Strongest subsequent eventM5.5
M5.42025-10-11 08:06:44 UTC7.0 kmSouth Sandwich Islands region M5.32025-10-11 08:06:50 UTC19.6 kmEvent of magnitude 5.3, near of Mar del Plata (Monde) M5.32025-10-11 13:07:56 UTC4.6 kmSouth Sandwich Islands Region M5.52025-10-11 13:08:00 UTC15.3 km M5.22025-10-11 13:08:04 UTC8.8 kmEvent of magnitude 5.2, near of Mar del Plata (Monde) M5.12025-10-24 01:26:51 UTC86.7 kmSouth Sandwich Islands region M5.22025-10-24 01:26:51 UTC81.6 kmSouth Sandwich Islands Region M5.42025-10-24 01:26:57 UTC88.3 kmEvent of magnitude 5.4, near of Mar del Plata (Monde) M5.02025-10-30 06:39:41 UTC74.1 km M5.12025-10-30 06:39:42 UTC53.7 kmSouth Sandwich Islands Region M4.92025-11-01 01:16:57 UTC76.1 kmSouth Sandwich Islands Region M5.02025-11-01 01:16:57 UTC63.1 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#8
Earlier events M≥482
Earlier events M≥546
Compared since2025-01-01

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

Strongest earlier events

M6.12025-01-01 13:48:24 UTC21.4 kmSouth Sandwich Islands region M5.92025-03-14 23:42:32 UTC57.4 kmSouth Sandwich Islands region M5.72025-03-27 00:41:25 UTC55.1 kmSouth Sandwich Islands region M5.62025-09-13 04:32:03 UTC106.7 kmSouth Sandwich Islands Region M5.62025-06-10 04:07:23 UTC136.9 kmSouth Sandwich Islands region

Stats (last 24h)

Global (24h)
660
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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