M6.7 earthquake - Macquarie Island region

What happened

A magnitude 6.7 earthquake struck Macquarie Island region on 21 Jul 1977, 11:53 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.