GEOLOGY

EARTH SCIENCE

VOLCANOES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which volcanic eruptions destroy property, death or injury to humans rarely occurs
A
lava dome
B
shield volcano
C
composite volcano
D
cinder cone volcano
Explanation: 

Detailed explanation-1: -Shield volcanoes produce fast flowing fluid [lava] that can flow for many miles. Examples of shield volcanoes include the Hawaiian volcanoes. Although these eruptions destroy property, death or injury to humans rarely occurs.

Detailed explanation-2: -Eruption Types and Classification Most shield volcano eruptions are nonexplosive (effusive), usually 0-1 on the Volcanic Explosivity Index (VEI), typically in the Hawaiian eruptive style. These eruptions produce fluid lava flows and may produce fire-fountains.

Detailed explanation-3: -Shield volcanoes are usually considered as weakly hazardous volcanoes since casualties directly due to their activity remain rare. However, destructive lava flows can involve great economic loss, and volcanic explosions up to VEI 5 are quite frequent.

Detailed explanation-4: -The low viscosity also means that shield eruptions are non-explosive. Eruptions tend to be mild in comparison to other volcanoes, but lava flows can destroy property and vegetation.

Detailed explanation-5: -Consisting large of molten rock, lava flows are less deadly than other volcanic hazards due to the slow speeds at which they move over the lands, typically only a few miles per hour.

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