Pacific Ring of Fire

The Pacific ring of fire is the name given to the zone around the pacific plate where volcanoes and earthquakes frequently occur. It is around 40,000 km long! 90 percent of the worlds earthquakes occur here and 81 percent if the largest earthquakes happen here! It is a result of plate tectonics and movements or collisions of different plates.
There's a lot of volcanoes in the ring. Some famous ones are Mt. Saint Helens, Cotopaxi, Azul and Mt. Fuji.