measuring volcanic activity Flashcards

1
Q

scale name

A

volcanic explosively index

VEI

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2
Q

characteristics that define VEI

A
  • volume of ash produced
  • hight of eruption cloud above the vent
  • duration of eruption
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3
Q

scale

A
  • 0-8
  • each interval represents a factor of ten
    (VEI 4 is 10x larger than 3 and 100x larger than 2)
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