Image for Musical volcanoes

Musical volcanoes

Duration: 03:17

Geophysicist Bernard Chouet explains how notes from an organ and a volcano about to erupt give off similar resonant signals. As magma enters cracks below the Earth's surface, it resonates and gives off signals known as long period events. These signals help scientists predict eruptions.

Available since: Wed 6 Apr 2011

Credits

Narrator
Emma Fielding
Participant
Norman Banks
Participant
Martha Calvache
Participant
Bernard Chouet
Participant
Fernando Gil
Participant
David Harlow
Participant
Andrew MacFarlane
Participant
Larry Malinconico
Participant
Bill McGuire
Participant
John Stix
Participant
Carlos Valdes
Series Editor
John Lynch
Series Producer
Matthew Barrett
Producer
David Belton
Director
David Belton

This clip is from

Horizon 2001-2002, Volcano Hell

The story of two scientists who each claimed they could predict volcanic eruptions.

First broadcast: 17 Jan 2002

Image for Volcano Hell Not currently available on BBC iPlayer

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