Tell students that they will use the speed formula to calculate tsunami speed and determine the time each tsunami takes to travel to specific locations in each of the scenarios presented.

This video of the tsunami in Indonesia shows how it struck without warning. A rock band was giving a concert when the wave came ashore and crashed into the stage.

The findings expose the deficiencies of tsunami warning systems, as well as highlighting the power of citizen science.

Dramatic videos from Indonesia show the devastating power of the tsunami triggered by volcanic eruption near the site of the historic Krakatoa eruption of the 1800s.

Tsunami alerts were triggered in Alaska, Hawaii, and California. In Hawaii, the tsunami warnings shifted to an advisory, and officials lifted evacuation orders.

Shortly after the initial tsunami warning sirens went off, the streets of Honolulu became congested as people quickly tried to move to higher ground.

Student meteorologist Andrew Austin-Adler, who is visiting Maui, Hawaii discusses looming tsunami threats following a massive earthquake off Russia's coast.