Pumice stones spewed from an undersea volcano ... said Nov. 16 that its latest computer simulation indicated that the floating volcanic stones will first pass along the coasts of the Tokai and ...

Sailors have been warned to stay clear of the potential hazard. Pumice is a lightweight, bubble-rich rock that can float in water. It is produced when lava goes through rapid cooling and loss of ...

Pumice stones generated by the eruption of Fukutoku-Okanoba, an undersea volcano 1,400 kilometers away, cover parts of the fishing port of Hentona, Okinawa Prefecture, on Oct. 25. The floating ...