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M5.1 Earthquake near South Sandwich Islands region

UTC time: 2025-08-27 05:34:07 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.

Magnitude
M5.1
Depth
31.2 km
Source
USGS

South Sandwich Islands region

Map

M5.1 Earthquake near South Sandwich Islands region · 2025-08-27 — Map showing the location of the epicenter
M5.1 Earthquake near South Sandwich Islands region · 2025-08-27 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.1 earthquake was recorded near South Sandwich Islands region on August 27, 2025 at 05:34 UTC. With a focal depth of about 31 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 event was recorded by USGS.

Details

ID
2c050a32e73e9483d9581bf1b2921f4065b268a1
Magnitude
M5.1
Depth
31.2 km
UTC time
2025-08-27 05:34:07 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-55.37230, -26.96030
Temperature
-0.4°C

Depth profile

Depth profile Depth: 31.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 31.2 km
Shallow
31.2 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
Grytviken623.0 kmW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Protector Seamounts
    Distance: 97 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Zavodovski
    Distance: 110 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Hodson
    Distance: 150 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Leskov Island
    Distance: 160 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Candlemas Island
    Distance: 191 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Saunders
    Distance: 272 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 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM5.6
M4.92025-09-08 12:55:51 UTC149.9 kmSOUTH SANDWICH ISLANDS REGION M4.92025-09-08 12:55:52 UTC145.8 kmSouth Sandwich Islands region M5.52025-09-12 03:31:03 UTC113.6 kmSouth Sandwich Islands region M5.32025-09-12 03:31:04 UTC117.8 kmSOUTH SANDWICH ISLANDS REGION M5.52025-09-12 03:31:06 UTC140.6 kmSouth Sandwich Islands Region M5.22025-09-12 03:31:06 UTC127.6 kmEvent of magnitude 5.2, near of Mar del Plata (Monde) M4.82025-09-12 03:31:08 UTC105.6 kmSouth Sandwich Islands Region M5.12025-09-13 04:32:02 UTC64.9 kmSouth Sandwich Islands Region M5.62025-09-13 04:32:03 UTC58.2 kmSouth Sandwich Islands Region M5.42025-09-13 04:32:04 UTC93.8 kmEvent of magnitude 5.4, near of Mar del Plata (Monde) M5.42025-09-13 04:32:09 UTC74.9 kmSOUTH SANDWICH ISLANDS REGION

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#23
Earlier events M≥472
Earlier events M≥537
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 UTC123.8 kmSouth Sandwich Islands Region M6.12025-01-01 13:48:24 UTC116.4 kmSouth Sandwich Islands region M6.02025-03-14 23:42:31 UTC54.4 kmSouth Sandwich Islands Region M5.72025-03-27 00:41:25 UTC95.8 kmSouth Sandwich Islands region M5.62025-06-10 04:07:23 UTC73.9 kmSouth Sandwich Islands region

Stats (last 24h)

Global (24h)
584
Country (24h)
—
—
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