Magnitude
M4.9
- Depth
- 35.0 km
- Source
- USGS
South Sandwich Islands region
M4.9 Earthquake near South Sandwich Islands region
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded
Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.
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About this earthquake
A magnitude M4.9 earthquake was recorded near South Sandwich Islands region on August 23, 2026 at 17:23 UTC. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.
The data is provided by USGS and cross-checked across seismological networks.
Details
ID
b31ddceaf457ebc51e0e1f457c685ba01229c4ea
Magnitude
M4.9
Depth
35.0 km
UTC time
2026-08-23 17:23:30 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-58.74810,
-25.26400
Temperature
-22.7°C
Depth profile
Shallow
35 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
Tectonic context
Located on the Sandwich Plate.
Near the boundary Sandwich ↔ South America · about 74 km away
Volcanoes nearby
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 overviewStats (last 24h)
Global (24h)
612
Country (24h)
—
—
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