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Mount St Helen's Volcano

When Mount St Helens erupted in the USA in 1980 it sent a huge cloud of ash and dust over eleven states.

Geologist Dorothy Stoffel was flying directly above the volcano as it blew. She tells Witness about that day.

Available now

10 minutes

Last on

Tue 18 May 2010 22:50GMT
BBC World Service Online

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Broadcasts

  • Tue 18 May 2010 04:50GMT
    BBC World Service Online
  • Tue 18 May 2010 07:50GMT
    BBC World Service Online
  • Tue 18 May 2010 10:50GMT
    BBC World Service Online
  • Tue 18 May 2010 22:50GMT
    BBC World Service Online

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