მარტი 6, 2015
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Japan earthquake and Tsunami 2011 - Shocking video
An erupting volcanic island that is expanding off Japan could trigger a tsunami if its freshly-formed lava slopes collapse into the sea, scientists say.
The small, but growing, island appeared last year and quickly engulfed the already-existing island of Nishinoshima, around 1000 kilometres south of Tokyo.
It now covers 1.26 square kilometres.
The island's craters are currently spewing out 200,000 cubic metres of lava every day - enough
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