Other formats available (will launch in separate window):

Downloads:
Quicktime7 (H.264), 320x240, 4.5Mb
MPEG-4, 320x240, 2.2 Mb

You may need to download: Quicktime | Windows Media

 

 

 

Transcript:

Video shows ash and gases erupting from an underwater volcano. Large pieces of rock or cinder are thrown upward with the eruption.

Voice: Did you know that most of the world's volcanoes are under the ocean? They form along the mountain ranges on the ocean floor and erupt under water. Scientists have seen lava, ash and gases exploding out of these volcanoes, while sometimes the lava flows slowly from cracks in the ocean floor.