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 ...

Tsunami Advisory: A tsunami with the potential to generate strong currents or waves is imminent, expected, or occurring. • Tsunami Warning: A tsunami with the potential to generate widespread ...

The eruption's fallout, including thick ash clouds, destroyed crops ... Moreover, the eruption triggered a massive tsunami, with waves reaching heights of 35 to 150 meters (115 to 492 feet ...

residents and visitors should stay out of the water and away from the tsunami hazard zones until public safety officials have deemed it safe to return. The first wave may not be the last or the ...