A tsunami is a series of massive waves generated when a body of water is rapidly displaced. The deadliest tsunami in recorded history, the Indian Ocean tsunami killed some 230,000 people in Indonesia, Thailand, India, Sri Lanka, and other countries as far away as Somalia on the Horn of Africa. It was triggered by an undersea earthquake near Sumatra with a magnitude of between 9.1 and 9.3 and inundated coastal communities with waves up to 100 ft (30 m) high. How far away were the effects felt? Discuss
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