In 1964, an earthquake in Alaska caused 30-to-50-foot tsunami waves in Seaside and Cannon Beach. When it comes to monitoring earthquakes in the region, the Pacific Northwest Seismic Network has ...

A tsunami can move hundreds of miles per hour in the open ocean and smash into land with waves as high as 100 feet or more. From the area where the tsunami originates, waves travel outward in all ...

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

TORNADOES, volcanic winters and 70-foot tsunamis aren't the first words ... Bizarrely, this wasn't Britain's only tsunami – we've been struck by several mega-waves over the years.

Winds at sea generate waves that average ten feet high; during storms, 30-footers are common ... Unlike the waves we enjoy at the beach, tsunami waves don’t break because they don’t get ...

Forecasters said tsunami waves of 1-3 feet were also possible for some coasts of Niue and Tonga. In addition, tsunami waves of less than a foot were possible for the coasts of American Samoa ...