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M5.9 Depth: 84.6 km

M5.9 Earthquake near SOUTH SANDWICH ISLANDS REGION

UTC time: 2025-08-31 16:24:29 UTC Local time: —

About this earthquake

On August 31, 2025 at 16:24 UTC, a magnitude M5.9 earthquake occurred near SOUTH SANDWICH ISLANDS REGION. At around 85 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude can damage poorly built structures.

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

Details

Magnitude
M5.9
Depth
84.6 km
UTC time
2025-08-31 16:24:29 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-58.41480, -25.59210
Temperature
-13.1°C

Map

Depth profile

Depth profile Depth: 84.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 84.6 km
Intermediate
84.6 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
Grytviken813.2 kmNW2

GeoNames · CC BY 4.0

Volcanoes nearby

  • Montagu Island
    Distance: 46 km ·Shield ·Elevation: 1'370 m ·Last eruption: 2007 ·United Kingdom
  • Saunders
    Distance: 86 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom
  • Bristol Island
    Distance: 86 km ·Stratovolcano ·Elevation: 1'100 m ·Last eruption: 2016 ·United Kingdom
  • Southern Thule
    Distance: 148 km ·Stratovolcano(es) ·Elevation: 1'075 m ·Last eruption: 1975 ·United Kingdom
  • Candlemas Island
    Distance: 162 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Hodson
    Distance: 212 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 eventM5.5
M4.92025-09-13 11:08:26 UTC131.7 kmSouth Sandwich Islands region M5.42025-09-19 09:11:56 UTC69.2 kmSouth Sandwich Islands region M5.42025-09-19 09:11:57 UTC66.0 km M5.52025-09-19 09:11:58 UTC61.7 kmSouth Sandwich Islands Region M4.82025-09-19 09:22:34 UTC62.8 km M4.82025-09-19 09:22:35 UTC60.4 kmSouth Sandwich Islands region M4.92025-09-19 09:22:35 UTC68.7 kmSouth Sandwich Islands Region M4.92025-09-19 09:27:56 UTC84.6 kmSouth Sandwich Islands Region M5.02025-09-19 10:06:42 UTC83.7 kmSouth Sandwich Islands Region M5.02025-09-19 10:06:43 UTC79.8 km M5.22025-09-20 07:28:13 UTC68.6 kmSouth Sandwich Islands Region M5.12025-09-20 07:28:16 UTC58.5 kmSouth Sandwich Islands region

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥437
Earlier events M≥519
Compared since2025-01-03

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

Strongest earlier events

M5.62025-08-31 16:24:21 UTC19.6 kmSouth Sandwich Islands Region M5.62025-07-30 09:24:37 UTC68.0 kmSouth Sandwich Islands region M5.62025-07-30 09:24:37 UTC69.0 km M5.62025-04-05 11:32:09 UTC130.3 kmSouth Sandwich Islands region M5.52025-08-31 16:24:23 UTC25.4 kmEvent of magnitude 5.5, near of Mar del Plata (Monde)

Stats (last 24h)

Global (24h)
658
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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