This new entity is tasked with studying the probability of eruptions for active volcanoes found from Hokkaido to Okinawa Prefecture and formulating observation plans. Compared to the vigilance ...
The volcano, about 1,300 km south of Tokyo, erupted in August. (Masahiro Hirano) Large volumes of volcanic pumice stones float at Hentona fishing port in Kunigami, Okinawa Prefecture, on Oct. 25.