31 facts about volcanoes by Mental Floss:

Volcanic Eruption: Papua New Guinea:

Climber enters volcano:
And this is the interview!

Quite a detailed documentary that will help you review the unit on Earth, tectonic plates, earthquakes, and volcanoes.

En français: la dérive des continents:

What will the continents look like in 200 million years?

And how tall can mountains grow?

or sea volcanoes collapse:
http://www.bbc.com/news/science-environment-18042165