A Volcanic Labyrinth
Thrihnukagigur crater is the only place on Earth where the anatomy of a volcano can be studied from the inside. When geologists journeyed into its heart, they discovered that a network of fissures links together distant volcanoes.
Previews + Extras
Meet the Volcanoes
S40 E1 - 2m 57s
Volcanoes can come in many shapes and sizes. PRODUCTION CREDITS Produced, animated, and edited by Anna Rothschild Original Footage ©WGBH Educational Foundation For a full list of credits, see http://www.pbs.org/wgbh/nova/earth/meet-volcanoes.html
Doomsday Volcanoes - Preview
S40 E1 - 30s
In April, 2010 the eruption of Iceland's Eyjafjallají¶kull volcano turned much of Europe into an ash-strewn no-fly zone, stranding millions of travelers. But was Eyjafjallají¶kull just the start? Now, an even more threatening Icelandic volcano, Katla, has begun to swell and grumble. Two more giants, Hekla and Laki, could erupt without warning.
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