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  1. Before: An eruption of a dormant volcano is usually preceded by a series of earthquakes...1840s and 1850s until March 1980 almost 155 years. During an eruption: During a volcanic eruption, lava, tephra (ash, lapilli, volcanic bombs and...

    2 Answers · Science & Mathematics · 18/11/2010

  2. Mt. Etna's eruptions, while obscuring visibility in the area surrounding... are very slight signals that the eruption activity is diminishing. I am...

    1 Answers · Science & Mathematics · 05/07/2006

  3. The Eruption that formed what is now lake Toba was... Subcontinent.By contrast, the 1980 eruption of Mount St. Helens ejected around...

    1 Answers · Science & Mathematics · 10/04/2009

  4. Volcanic eruptions are caused when magma from the magma chamber... felsic lava it will be thick and will create large eruptions but mafic lava is very watery and creates...

    4 Answers · Science & Mathematics · 06/04/2010

  5. Nobody died -------------2010 Eruption and Earthquakes An ash eruption...displacement of the ground by 20 cm. 2009 Eruptions Eruptions resumed at Mt...

    1 Answers · Science & Mathematics · 12/04/2010

  6. Summary of May 18, 1980 Eruption of Mount St. Helens ... 31 ships in upstream ports Eruption Column and Cloud Height...

    2 Answers · Science & Mathematics · 14/02/2011

  7. The next major eruption occurred starting on 27 October 2002. ... continued until 28 January 2003, when the eruption finally stopped. An estimated 70 million cubic...

    1 Answers · Science & Mathematics · 16/10/2012

  8. The government planned a disaster response in advance of the eruption in order to save the lives of people living near the danger zone. ...

    1 Answers · Science & Mathematics · 25/12/2009

  9. ... found nothing about the rescue effort. The eruption was a complete disaster.Surely some boats...on the east coast of Africa, up to a year after the eruption. Some land on Java was never ...

    3 Answers · Science & Mathematics · 09/11/2009

  10. The 1980 eruption of Mount St. Helens, a volcano located in ...), in terms of power and volume of material released, since the 1915 eruption of California's Lassen Peak. The eruption ...

    3 Answers · Science & Mathematics · 19/10/2008

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