M6.4 Earthquake — South Sandwich Islands region
On 11 July 2026, 10:26 UTC, an earthquake of magnitude M6.4 was recorded in the region: South Sandwich Islands region. Coordinates: 55.5424° S, 28.8526° W Depth: 26 km The blue and white areas of the diagram show the directions of compression and extension during the rupture; the shape indicates the fault type (normal, reverse, or strike-slip). The solution yields two mathematically equivalent fault planes — which one is the actual rupture plane is usually unknown without additional geological context: ...