Topic
Eruption measurement
1 question tagged Eruption measurement — spanning every one of the seven Ws.
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How do scientists measure a volcano's eruption size using the Volcanic Explosivity Index?
The Volcanic Explosivity Index (VEI) ranks explosive eruptions from 0 to 8 using erupted volume, plume height, and duration. Each step roughly represents a tenfold increase in erupted material.
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