Volcanic eruptions are classified according to
Position 1: Understanding these distinctions allows volcanologists to assess hazard levels and issue timely evacuation warnings to at-risk communities.
Position 2: The most violent of these, known as Plinian eruptions, eject enormous columns of ash and gas tens of kilometres into the stratosphere.
Position 3: By contrast, effusive eruptions, typical of shield volcanoes like those in Hawaii, release low-viscosity basaltic lava that travels considerable distances but rarely threatens life directly.
Position 4: Volcanic eruptions are classified according to their explosivity, magma composition, and the style of lava emission they produce.
Position 5: Such columns collapse periodically, generating pyroclastic flows—dense, fast-moving currents of hot gas and fragmented rock—that devastate surrounding landscapes.
Drag the paragraphs into order, or use the ▲▼ arrows.
Sign up free to attempt this question
Create a free account to check your answer, track your progress, and unlock the full question bank.
Free forever · no credit card required