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M5.7 Depth: 56.0 km

M5.7 Earthquake near South Sandwich Islands region

UTC time: 2025-12-17 17:06:01 UTC Local time: —

About this earthquake

A magnitude M5.7 earthquake was recorded near South Sandwich Islands region on December 17, 2025 at 17:06 UTC. With a focal depth of about 56 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 data is provided by ISC and cross-checked across seismological networks.

Details

Magnitude
M5.7
Depth
56.0 km
UTC time
2025-12-17 17:06:01 UTC
Local time
—
Country
—
Source
isc
Coordinates
-58.79000, -25.38000
Temperature
-0.2°C

Map

Depth profile

Depth profile Depth: 56 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 56 km
Shallow
56 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
Grytviken845.1 kmNW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Montagu Island
    Distance: 69 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
  • Bristol Island
    Distance: 71 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
  • Saunders
    Distance: 128 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
  • Southern Thule
    Distance: 128 km ·Stratovolcano(es) ·Elevation: 1'075 m ·Last eruption: 1975 ·United Kingdom
  • Candlemas Island
    Distance: 205 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Hodson
    Distance: 254 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 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM5.3
M5.32025-12-17 17:06:07 UTC12.3 kmEvent of magnitude 5.3, near of Mar del Plata (Monde) M4.92025-12-23 12:16:26 UTC119.8 kmSouth Sandwich Islands region M5.12025-12-23 12:16:26 UTC112.3 kmSouth Sandwich Islands Region M4.92025-12-23 12:16:26 UTC129.3 km M5.22025-12-28 04:36:17 UTC106.9 kmSouth Sandwich Islands Region M5.12025-12-28 04:36:20 UTC132.6 km M5.22026-01-04 10:35:50 UTC44.5 kmSouth Sandwich Islands Region M5.12026-01-04 10:35:54 UTC8.9 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2
Earlier events M≥488
Earlier events M≥561
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 UTC43.5 km M5.72025-12-17 17:05:57 UTC14.9 km M5.72025-12-08 18:41:11 UTC36.9 kmSouth Sandwich Islands Region M5.72025-11-05 22:03:49 UTC83.1 km M5.62025-12-17 17:05:56 UTC10.4 kmSouth Sandwich Islands Region

Stats (last 24h)

Global (24h)
657
Country (24h)
—
—
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