This advisory follows a recent 7.1-magnitude earthquake in the Hyuganada Sea, triggering concerns about a potential tsunami ... to massive earthquakes every 100 to 150 years.

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 ...

the sea produced waves of up to 100 feet. Yet there were no warning sirens, resulting in the deaths of nearly 130,000 people here. Now the city has a new quake detection and tsunami warning system ...

On December 26, 2004, a magnitude 9.1 earthquake under the Indian Ocean triggered a huge tsunami with waves up to 30 metres (100 feet) high. Only a rudimentary warning system was in place at the ...

In some areas, the tsunami climbed over 100 feet in height and traveled miles inland. Amazingly, amateur and professional photographers captured it all on video, including remarkable tales of ...