Japan is a volcanic hotspot, with 7 percent of all the world's volcanoes. The archipelago actually contains 110 active volcanoes, and throughout history, Japan has been at the mercy of the terrifying power of volcanoes. But while they are very destructive and disruptive, volcanoes also bring such benefits as fertile soil. This time on Japanology Plus, our topic is volcanoes. Our expert guest, Hiroki Kamata, is a vulcanologist at Kyoto University. And in Plus One, eating a volcanic hard-boiled egg.
