Tsunamis form from sudden water movements, mainly undersea earthquakes, spreading waves across oceans and increasing as they near shores.

A 6.6-magnitude earthquake struck far off southwest Australia on Wednesday, but no tsunami warning was issued.

Tsunamis have hit Washington and the Puget Sound region in the past, and they will happen again in the future.

If a large asteroid crashes into the ocean, could it trigger a massive tsunami capable of wiping out entire coastal cities?

A strong 6.3 earthquake off Ecuador’s Pacific coast has shaken the northern part of the country Friday, with some initial ...

A 6.6-magnitude earthquake struck far off southwest Australia on Wednesday, but no tsunami warning was issued. The epicenter was in the Indian Ocean 2,069 kilometers (1,283 miles) southwest of ...

A strong 6.3 earthquake off Ecuador’s Pacific coast has shaken the northern part of the country Friday, with some initial reports of some damages to houses ...

RELATED: What is a tsunami? How these powerful waves spell coastal danger Tsunami waves can travel across deep-ocean waters as fast as 800 km/h, propelling them thousands of kilometres away from the ...

MELBOURNE, Australia (AP) — A 6.6-magnitude earthquake struck far off southwest Australia on Wednesday, but no tsunami warning was issued. The epicenter was in the Indian Ocean 2,069 kilometers ...