M6.6 earthquake - Maug Islands region, Northern Mariana Islands

What happened

A magnitude 6.6 earthquake struck Maug Islands region, Northern Mariana Islands on 29 Sept 1960, 11:18 UTC at a depth of 420 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a deep earthquake; shaking at the surface is usually weak for its size.