M6.7 earthquake - east of the South Sandwich Islands

What happened

A magnitude 6.7 earthquake struck east of the South Sandwich Islands on 7 Apr 1973, 12:22 UTC at a depth of 33 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.