Which is the deepest known earthquake focus recorded on Earth? MCQ with Answer and Explanation

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Which is the deepest known earthquake focus recorded on Earth?

A. About 100 km

B. About 300 km

C. About 500 km

D. About 700 km

Answer: Option D

Solution (By JKSSB Mock Tests)

Deep-focus earthquakes occur at depths approaching 700 km, primarily in subduction zones.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Which is the largest river island in the world?

A. Marajo

B. Majuli

C. Baffin

D. Bananal

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Correct Answer: Option A

Explanation:
Marajo Island in Brazil is considered the world's largest river island.

This question belongs to: Geography GK Physical Geography

Question #2

Which part of the Earth's mantle is semi-molten and allows tectonic plates to move?

A. Asthenosphere

B. Outer Core

C. Lithosphere

D. Mesosphere

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Correct Answer: Option A

Explanation:
The asthenosphere is a semi-molten, plastic layer beneath the lithosphere. Tectonic plates float and move over this layer.

This question belongs to: Geography GK Physical Geography

Question #3

An equinox occurs when:

A. The Earth is closest to the Sun

B. Night is longer than day

C. Day is longer than night

D. Day and night are nearly equal

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Correct Answer: Option D

Explanation:
During equinoxes, day and night are approximately equal in length across the world.

This question belongs to: Geography GK Physical Geography

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