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Throw light on various types of volcanic landforms. Many volcanic eruptions and earthquakes occur around the rim of the Pacific Ocean. Why?

Topic: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.

1. Throw light on various types of volcanic landforms. Many volcanic eruptions and earthquakes occur around the rim of the Pacific Ocean. Why? (250 words)

Difficulty level: Moderate

Reference: Indian ExpressInsights on India

Why the question:

The ground is shaking and swelling at Mauna Loa, the largest active volcano in the world, indicating that it could erupt. Scientists say they don’t expect that to happen right away but officials on the Big Island of Hawaii are telling residents to be prepared in case it does erupt soon.

Key Demand of the question:

To write about volcanic landforms and reasons for frequent eruptions and earthquakes in the rim of the Pacific Ocean.

Structure of the answer:

Introduction:

Begin by giving context about volcano and volcanism.

Body:

First, write in detail about the different types of volcanic landforms – Volcanic landforms are divided into extrusive and intrusive landforms etc.

Next, write about the Pacific Ring of Fire and explaining the reason behind its active state due to which it hosts the largest number of active volcanoes of the world, its association with plate tectonics.

Conclusion:

Conclude by Summarising.