Water rushes out to sea out of nowhere. Suddenly, huge waves come crashing inland. It's a tsunami!

Avalanches tear down mountains. Tsunamis drown towns. Magma from volcanoes flows through homes. Throughout history the world has faced many natural disasters. Learn about the world's worst and some helpful tips needed to survive them.

Hot magma rises to the earth's surface. Smoke bursts from the volcano and lava flows out. It's a volcanic eruption!

An earthquake shakes a snow-covered mountain. The fresh snow slides down. It's an avalanche!

Wind blows dry, tall grass. A storm brews. Lightning strikes the ground, and soon, flames spread across the grassland. It's a wildfire!