Question

b) Based on the periodicity of the volcanic eruptions, explain the different types of
volcanic eruptions.
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Answer 1

Answer:

There are usually three categories of volcanos on the basis of the periodicity of eruption. These three categories of volcanos are mainly extinct volcanoes, dormant volcanos and active volcanos.

A dormant volcano isn't erupting right now, but vulcanologists expect it could erupt at any time. Extinct volcanoes haven't erupted for tens of thousands of years, and aren't expected to erupt again. ... Eventually they go extinct, while the hotspot creates a new volcano further to the East.

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Answer 2

Answer:

There are three different types of eruptions. The most well-observed are magmatic eruptions, which involve the decompression of gas within magma that propels it forward. Phreatomagmatic eruptions are another type of volcanic eruption, driven by the compression of gas within magma, the direct opposite of the process powering magmatic activity. The third eruptive type is the phreatic eruption, which is driven by the superheating of steam via contact with magma; these eruptive types often exhibit no magmatic release, instead causing the granulation of existing rock.

Explanation: