M5.1 earthquake - Alamagan region, Northern Mariana Islands

What happened

A magnitude 5.1 earthquake struck Alamagan region, Northern Mariana Islands on 7 Mar 2018, 10:39 UTC at a depth of 216 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.