Revised estimates of the potential impact from an earthquake off Japan’s southern coast show much of the country’s Pacific shore could be inundated by a tsunami more than 34 meters (112 feet) high. A government-commissioned panel of experts says a tsunami unleashed by a magnitude-9.0 earthquake in the Nankai trough, which runs east of Japan’s main island of Honshu to the southern island of Kyushu, could top 34 meters. Read More