Understanding how a tsunami works is akin to playing a giant ... the gentle swells you see at the beach; they are massive walls of water that can reach towering heights. As they approach land ...

In that scenario, tsunami waves are a possibility ... 10 minutes to evacuate to higher ground to escape an impending wall of ...

The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation possible from extreme-but-realistic scenarios.

The coastline here is as beautiful as it is battered, in a region that has traditionally seen few tourists. But that’s starting to change.

The tsunami now goes through a terrifying transformation ... Now, it catches up, compressing the wave into a vertical wall of water up to 115 feet high. It hits Banda Aceh with the force of ...

When the "snap" eventually happens, this gives a large shove to water. This creates a tsunami that travels very quickly across the open oceans. As the ocean becomes shallower, the tsunami wave is ...

But nobody believed a tsunami would come this far inland. It had never happened before." A classroom in the school. The wall and windows were shattered by the water. Parents and local residents ...