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M4.7 Depth: 14.8 km

M4.7 Earthquake near South Sandwich Islands region

UTC time: 2025-03-21 19:36:41 UTC Local time: —

About this earthquake

A magnitude M4.7 earthquake was recorded near South Sandwich Islands region on March 21, 2025 at 19:36 UTC. The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

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

Details

Magnitude
M4.7
Depth
14.8 km
UTC time
2025-03-21 19:36:41 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-55.36110, -28.86280

Map

Depth profile

Depth profile Depth: 14.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.8 km
Shallow
14.8 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: 75 km ·Volcanic field ·Elevation: -55 m ·Last eruption: 1962 ·United Kingdom
  • Zavodovski
    Distance: 132 km ·Stratovolcano ·Elevation: 551 m ·Last eruption: 2016 ·United Kingdom
  • Leskov Island
    Distance: 151 km ·Stratovolcano ·Elevation: 190 m ·United Kingdom
  • Hodson
    Distance: 183 km ·Stratovolcano ·Elevation: 835 m ·United Kingdom
  • Candlemas Island
    Distance: 234 km ·Stratovolcano ·Elevation: 550 m ·Last eruption: 1911 ·United Kingdom
  • Saunders
    Distance: 308 km ·Stratovolcano ·Elevation: 843 m ·Last eruption: 2026 ·United Kingdom

Stats (last 24h)

Global (24h)
671
Country (24h)
—
—
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