Back to map

M5.2 Earthquake near South Sandwich Islands region

UTC time: 2025-10-21 18:11:08 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
M5.2
Depth
79.0 km
Source
ISC

South Sandwich Islands region

Map

M5.2 Earthquake near South Sandwich Islands region · 2025-10-21 — Map showing the location of the epicenter
M5.2 Earthquake near South Sandwich Islands region · 2025-10-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.2 earthquake was recorded near South Sandwich Islands region on October 21, 2025 at 18:11 UTC. The earthquake originated at an intermediate depth of about 79 km. Events of this size can cause damage near the epicenter.

The event was recorded by ISC.

Details

ID
ed84b3cc36e8dac915028d2f8716a328907d236e
Magnitude
M5.2
Depth
79.0 km
UTC time
2025-10-21 18:11:08 UTC
Local time
—
Country
—
Source
isc
Coordinates
-58.97700, -25.70100
Temperature
0.1°C

Depth profile

Depth profile Depth: 79 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 79 km
Intermediate
79 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Nearby population centers

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

PlaceDistanceDirectionPopulation
Grytviken840.7 kmNW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Bristol Island
    Distance: 48 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
  • Montagu Island
    Distance: 71 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
  • Southern Thule
    Distance: 101 km ·Stratovolcano(es) ·Elevation: 1'075 m ·Last eruption: 1975 ·United Kingdom
  • Saunders
    Distance: 139 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
  • Candlemas Island
    Distance: 219 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Hodson
    Distance: 267 km ·Stratovolcano ·Elevation: 835 m ·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 eventM5.7
M4.82025-10-29 13:28:31 UTC43.4 kmSouth Sandwich Islands Region M5.12025-10-29 13:28:35 UTC87.4 kmEvent of magnitude 5.1, near of Mar del Plata (Monde) M5.32025-10-31 19:30:07 UTC84.2 kmSouth Sandwich Islands Region M5.22025-10-31 19:30:19 UTC76.2 kmSOUTH SANDWICH ISLANDS REGION M5.32025-10-31 19:30:34 UTC114.1 kmSouth Sandwich Islands Region M5.62025-11-05 22:03:46 UTC112.6 kmSouth Sandwich Islands Region M5.72025-11-05 22:03:49 UTC107.2 kmSOUTH SANDWICH ISLANDS REGION M5.52025-11-05 22:03:55 UTC134.4 kmEvent of magnitude 5.5, near of Mar del Plata (Monde) M5.02025-11-08 17:51:20 UTC10.4 kmSouth Sandwich Islands Region M4.82025-11-08 17:51:20 UTC8.0 kmSOUTH SANDWICH ISLANDS REGION M4.82025-11-08 17:51:30 UTC7.0 kmSouth Sandwich Islands region M5.02025-11-19 21:45:22 UTC116.6 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≥474
Earlier events M≥545
Compared since2025-01-03

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

Strongest earlier events

M5.92025-08-31 16:24:29 UTC62.8 kmSOUTH SANDWICH ISLANDS REGION M5.92025-08-31 16:24:28 UTC62.8 kmSouth Sandwich Islands region M5.62025-04-05 11:32:02 UTC115.3 kmSouth Sandwich Islands Region M5.62025-08-31 16:24:21 UTC80.5 kmSouth Sandwich Islands Region M5.62025-07-30 09:24:37 UTC29.1 kmSouth Sandwich Islands region

Stats (last 24h)

Global (24h)
603
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share