The clue lies in the Japanese name that has been adopted for them around the world: tsunami. (46) Formed from the characters for harbour and wave, and commemorated in the 19th-century woodblock print by Hokusai that decorates so many books and articles about the subject, the word shows that these sudden, devastating waves have mainly in the past occurred in the Pacific Ocean, ringed as it is by volcanoes and earthquake zones. Thanks to one tsunami in 1946 that killed 165 people, mainly in Hawaii, the countries around the Pacific have shared a tsunami warning centre ever since. (47) Those around the Indian Ocean have no such centre, being lucky enough not to have suffered many big tsunamis before and unlucky enough not to count the world’ s two biggest and most technologically advanced economies, the United States and Japan, among their number.
So when, on December 26th, the world’s strongest earthquake in 40 years shook the region, with its epice
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