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South Georgia & South Sandwich Islands

M5.5 Earthquake near South Sandwich Islands region (South Georgia & South Sandwich Islands)

UTC time: 2025-09-12 03:31:03 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

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

Map

M5.5 Earthquake near South Sandwich Islands region (South Georgia & South Sandwich Islands) · 2025-09-12 — Map showing the location of the epicenter
M5.5 Earthquake near South Sandwich Islands region (South Georgia & South Sandwich Islands) · 2025-09-12 — Map showing the location of the epicenter

About this earthquake

On September 12, 2025 at 03:31 UTC, a magnitude M5.5 earthquake occurred near South Sandwich Islands region (South Georgia & South Sandwich Islands). Earthquakes of this magnitude can damage poorly built structures.

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

Depth profile

Depth profile Depth: 0 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0 km
Shallow
0 km
0 km — shallower than the regional average (110.6 km)
Regional average: 110.6 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
Grytviken592.0 kmW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Zavodovski
    Distance: 16 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Protector Seamounts
    Distance: 45 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Leskov Island
    Distance: 47 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Hodson
    Distance: 63 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Candlemas Island
    Distance: 115 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Saunders
    Distance: 189 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 hours8
Strongest subsequent eventM5.6
M5.32025-09-12 03:31:04 UTC5.5 kmSOUTH SANDWICH ISLANDS REGION M5.52025-09-12 03:31:06 UTC27.0 kmSouth Sandwich Islands Region M5.22025-09-12 03:31:06 UTC14.1 kmEvent of magnitude 5.2, near of Mar del Plata (Monde) M4.82025-09-12 03:31:08 UTC21.6 kmSouth Sandwich Islands Region M5.12025-09-13 04:32:02 UTC63.3 kmSouth Sandwich Islands Region M5.62025-09-13 04:32:03 UTC75.6 kmSouth Sandwich Islands Region M5.42025-09-13 04:32:04 UTC57.1 kmEvent of magnitude 5.4, near of Mar del Plata (Monde) M5.42025-09-13 04:32:09 UTC73.3 kmSOUTH SANDWICH ISLANDS REGION M5.02025-10-10 12:26:10 UTC133.5 kmSouth Sandwich Islands Region M4.82025-10-10 12:26:10 UTC132.7 kmSOUTH SANDWICH ISLANDS REGION M4.82025-10-10 12:26:11 UTC140.3 kmSouth Sandwich Islands region M5.42025-10-11 08:06:38 UTC117.1 kmSouth Sandwich Islands Region

South Georgia & South Sandwich Islands

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 8 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#8
Earlier events M≥484
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

M6.22025-01-01 13:48:25 UTC70.6 kmSouth Sandwich Islands Region M6.12025-01-01 13:48:24 UTC71.0 kmSouth Sandwich Islands region M6.02025-03-14 23:42:31 UTC72.5 kmSouth Sandwich Islands Region M5.72025-03-27 00:41:25 UTC26.4 kmSouth Sandwich Islands region M5.62025-06-10 04:07:23 UTC99.3 kmSouth Sandwich Islands region

Historic earthquake map · South Georgia & South Sandwich Islands

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · South Georgia & South Sandwich Islands

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)
599
Country (24h)
South Georgia & South Sandwich Islands
0
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