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M5.5 Depth: 54.7 km

M5.5 Earthquake near SOUTH SANDWICH ISLANDS REGION

UTC time: 2025-10-11 13:08:00 UTC Local time: —

About this earthquake

On October 11, 2025 at 13:08 UTC, a magnitude M5.5 earthquake occurred near SOUTH SANDWICH ISLANDS REGION. The hypocenter lay relatively close to the surface at around 55 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

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

Details

Magnitude
M5.5
Depth
54.7 km
UTC time
2025-10-11 13:08:00 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-56.37730, -26.55680
Temperature
-0.2°C

Map

Depth profile

Depth profile Depth: 54.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 54.7 km
Shallow
54.7 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
Grytviken670.6 kmW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Hodson
    Distance: 53 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Zavodovski
    Distance: 63 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Candlemas Island
    Distance: 78 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Leskov Island
    Distance: 102 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Protector Seamounts
    Distance: 112 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Saunders
    Distance: 158 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 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM5.4
M5.22025-10-11 13:08:04 UTC23.5 kmEvent of magnitude 5.2, near of Mar del Plata (Monde) M5.12025-10-24 01:26:51 UTC91.4 kmSouth Sandwich Islands region M5.22025-10-24 01:26:51 UTC87.1 kmSouth Sandwich Islands Region M5.42025-10-24 01:26:57 UTC93.8 kmEvent of magnitude 5.4, near of Mar del Plata (Monde) M5.02025-10-30 06:39:41 UTC89.1 km M5.12025-10-30 06:39:42 UTC68.9 kmSouth Sandwich Islands Region M4.92025-11-01 01:16:57 UTC91.2 kmSouth Sandwich Islands Region M5.02025-11-01 01:16:57 UTC76.7 km M5.22025-11-01 01:51:23 UTC101.9 kmSouth Sandwich Islands Region M5.22025-11-01 01:51:24 UTC86.2 kmSouth Sandwich Islands region M5.02025-11-01 01:51:25 UTC88.4 kmEvent of magnitude 5.0, near of Mar del Plata (Monde) M5.12025-11-04 03:20:52 UTC68.7 kmSouth Sandwich Islands Region

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#8
Earlier events M≥487
Earlier events M≥550
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 UTC9.9 kmSouth Sandwich Islands region M5.92025-03-14 23:42:32 UTC69.9 kmSouth Sandwich Islands region M5.72025-03-27 00:41:25 UTC57.5 kmSouth Sandwich Islands region M5.62025-09-13 04:32:03 UTC116.8 kmSouth Sandwich Islands Region M5.62025-06-10 04:07:23 UTC147.0 kmSouth Sandwich Islands region

Stats (last 24h)

Global (24h)
663
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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