Question

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Tsunami or harbour wave struck havoc in the Indian Ocean on the 26 December 2004. The wave was the result of the earthquake that had its epicentre close to the western boundary of Sumatra. Tsunami travelled at a speed of about 800 km. per hour comparable to speed of commercial aircraft and completely washed away some of the islands in the Indian ocean. The Indira point in the Andaman and Nicobar islands that marked the southernmost point of India got completely submerged.

(ii) Where was the epicentre of the earthquake?
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Answer 1

Answer:

Epicentre, point on the surface of the Earth that is directly above the underground point (called the focus) where fault rupture commences, producing an earthquake. The effects of the earthquake may not be most severe in the vicinity of the epicentre.

Explanation:

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