In 1792, volcanic activity at Mount Unzen destabilized an entire mountainside. When the slope collapsed into the sea, it displaced massive volumes of water. The resulting tsunami swept across the bay, ...
IN a recent visit to the Simabara Peninsula, about twenty miles east of Nagasaki as the crow flies, an opportunity was afforded me of ascending “Unzen”, a mountain which rises about 4,700 feet above ...
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