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M5.7 Earthquake near South Sandwich Islands region

UTC time: 2025-03-27 00:41:25 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
M5.7
Depth
123.6 km
Source
USGS

South Sandwich Islands region

Map

M5.7 Earthquake near South Sandwich Islands region · 2025-03-27 — Map showing the location of the epicenter
M5.7 Earthquake near South Sandwich Islands region · 2025-03-27 — Map showing the location of the epicenter

About this earthquake

On March 27, 2025 at 00:41 UTC, a magnitude M5.7 earthquake occurred near South Sandwich Islands region. The earthquake originated at an intermediate depth of about 124 km. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by USGS.

Details

ID
da19828451280f346dd966434ad74dc92620c37c
Magnitude
M5.7
Depth
123.6 km
UTC time
2025-03-27 00:41:25 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-56.19290, -27.42640

Depth profile

Depth profile Depth: 123.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 123.6 km
Intermediate
123.6 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
Grytviken613.3 kmW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Zavodovski
    Distance: 15 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Protector Seamounts
    Distance: 56 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Hodson
    Distance: 60 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Leskov Island
    Distance: 68 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Candlemas Island
    Distance: 109 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Saunders
    Distance: 188 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 eventM5.7
M4.92025-03-30 07:42:55 UTC26.4 kmSouth Sandwich Islands region M4.42025-03-30 07:43:15 UTC95.8 kmSouth Sandwich Islands Region M4.52025-03-30 21:39:47 UTC25.0 kmSouth Sandwich Islands region M5.72025-04-05 11:29:11 UTC147.5 kmSouth Sandwich Islands Region M5.02025-04-12 12:37:51 UTC28.6 kmSouth Sandwich Islands region M5.12025-04-21 15:46:59 UTC34.2 kmSouth Sandwich Islands region

Comparison of seismic sources

2 sources currently report magnitudes from M5.6 to M5.7.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
USGSM5.7123.6 km0.0 km
USPM5.6116.0 km16.4 km

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#4
Earlier events M≥433
Earlier events M≥510
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 UTC52.6 kmSouth Sandwich Islands Region M6.12025-01-01 13:48:24 UTC50.6 kmSouth Sandwich Islands region M6.02025-03-14 23:42:31 UTC48.4 kmSouth Sandwich Islands Region M5.62025-03-18 22:52:34 UTC129.5 kmSouth Sandwich Islands region M5.32025-03-20 12:04:21 UTC27.0 kmSouth Sandwich Islands region

Stats (last 24h)

Global (24h)
612
Country (24h)
—
—
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