環かん太たい平へい洋よう造ぞう山ざん帯たい

noun

circum-Pacific orogenic belt

Geological term referring to the belt of mountain-building activity around the Pacific Ocean, also known as the Ring of Fire.

• 環かん太たい平へい洋よう造ぞう山ざん帯たいは地じ震しんや火か山ざん活かつ動どうが活かっ発ぱつな地ち域いきです。

  The circum-Pacific orogenic belt is a region with active earthquakes and volcanic activity.