M5.5 earthquake - Maug Islands region, Northern Mariana Islands

What happened

A magnitude 5.5 earthquake struck Maug Islands region, Northern Mariana Islands on 31 May 2017, 06:29 UTC at a depth of 118 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.