Stratovolcanoes consist of layers of volcanic ash, debris and lava.
Tsunami waves are very high waves of immense destructive power.
A hydrothermal vent is a fissure in the planet's surface through which geothermally heated water erupts.
An earthquake is one of the most devastating natural phenomena.
A geyser is a spring characterised by intermittent discharge of water and steam.
The boundaries of tectonic plates can be seen on the seafloor.
Tectonic plates can move in relation to each other.
The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.
This animation demonstrates different types of volcanic eruptions
Human activity increases the greenhouse effect and leads to global warming.
This Pacific island is famous for its unique monolithic human figures.