But with more than 70 per cent of the Earth's surface covered with water, most impacts take place over the oceans, causing huge waves known as tsunamis.
(most impacts; take; place; T:over the oceans) (most impacts; causing; huge waves known as tsunamis) (huge waves; known; as tsunamis)
most impacts most impacts huge waves
take causing known
place T:over the oceans
huge waves known as tsunamis
as tsunamis