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M5.4 Depth: 44.9 km

M5.4 Earthquake near South Sandwich Islands region

UTC time: 2025-10-11 08:06:44 UTC Local time: —

About this earthquake

On October 11, 2025 at 08:06 UTC, a magnitude M5.4 earthquake occurred near South Sandwich Islands region. The hypocenter lay relatively close to the surface at around 45 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

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

Details

Magnitude
M5.4
Depth
44.9 km
UTC time
2025-10-11 08:06:44 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-56.18290, -26.49210
Temperature
0.3°C

Map

Depth profile

Depth profile Depth: 44.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 44.9 km
Shallow
44.9 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
Grytviken668.7 kmW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Zavodovski
    Distance: 68 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Hodson
    Distance: 72 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Candlemas Island
    Distance: 100 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Protector Seamounts
    Distance: 108 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Leskov Island
    Distance: 114 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Saunders
    Distance: 180 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 hours4
First 24 hours4
First 72 hours4
Strongest subsequent eventM5.5
M5.32025-10-11 08:06:50 UTC14.3 kmEvent of magnitude 5.3, near of Mar del Plata (Monde) M5.32025-10-11 13:07:56 UTC2.6 kmSouth Sandwich Islands Region M5.52025-10-11 13:08:00 UTC22.0 km M5.22025-10-11 13:08:04 UTC6.7 kmEvent of magnitude 5.2, near of Mar del Plata (Monde) M5.12025-10-24 01:26:51 UTC87.9 kmSouth Sandwich Islands region M5.22025-10-24 01:26:51 UTC82.4 kmSouth Sandwich Islands Region M5.42025-10-24 01:26:57 UTC89.1 kmEvent of magnitude 5.4, near of Mar del Plata (Monde) M5.02025-10-30 06:39:41 UTC67.2 km M5.12025-10-30 06:39:42 UTC46.9 kmSouth Sandwich Islands Region M4.92025-11-01 01:16:57 UTC70.2 kmSouth Sandwich Islands Region M5.02025-11-01 01:16:57 UTC59.0 km M5.22025-11-01 01:51:23 UTC79.9 kmSouth Sandwich Islands Region

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#14
Earlier events M≥483
Earlier events M≥547
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 UTC28.4 kmSouth Sandwich Islands region M5.92025-03-14 23:42:32 UTC54.2 kmSouth Sandwich Islands region M5.72025-03-27 00:41:25 UTC57.8 kmSouth Sandwich Islands region M5.62025-09-13 04:32:03 UTC104.9 kmSouth Sandwich Islands Region M5.62025-06-10 04:07:23 UTC134.9 kmSouth Sandwich Islands region

Stats (last 24h)

Global (24h)
661
Country (24h)
—
—
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