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M4.8 Depth: 10.0 km

M4.8 Earthquake near South Sandwich Islands Region

UTC time: 2025-09-12 03:31:08 UTC Local time: —

About this earthquake

On September 12, 2025 at 03:31 UTC, a magnitude M4.8 earthquake occurred near South Sandwich Islands Region. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

Magnitude
M4.8
Depth
10.0 km
UTC time
2025-09-12 03:31:08 UTC
Local time
—
Country
—
Source
usp
Coordinates
-56.10906, -28.02497

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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

Volcanoes nearby

  • Protector Seamounts
    Distance: 24 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Zavodovski
    Distance: 35 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Leskov Island
    Distance: 61 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Hodson
    Distance: 85 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Candlemas Island
    Distance: 136 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Saunders
    Distance: 210 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom

Stats (last 24h)

Global (24h)
593
Country (24h)
—
—
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