Anak Krakatau volcano partially collapses during eruption, creating an underwater landslide ...

Rapidly moving landslide enters water

... which is believed to have caused the tsunami

Water is drawn

down and then

forced back up

Anak Krakatau volcano partially collapses during eruption, creating an underwater landslide ...

... which is believed to have caused the tsunami

Water is drawn

down and then

forced back up

Rapidly moving landslide enters water