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How phones warn Japanese about earthquakes

Japan is counting the cost of the latest earthquake to hit the country. Nine people have been killed and hundreds injured. Quakes are a constant fear in the country - and now there is a remarkable high tec method of warning Japanese people of an impending tremor - as our correspondent Rupert Wingfield-Hayes told Newsday.

(Picture - The aftermath of the Kumamoto Earthquake. Eight of the nine victims were reported in the town of Mashiki. Credit: EPA/Kimmasa Mayama)

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46 seconds