Pumice stones spewed from an undersea volcano that have fouled coasts in Okinawa Prefecture have apparently made a U-turn and could reach the Izu island chain within days, a research institute’s ...

With its bustling port, steep streets and Norman citadel, this island reveals 7,000 years of history. Obsidian and pumice, ...

Iwoto island itself has been rising due to the volcanic activity. In June, pumice stones likely spewed by the volcano were found in the sea near the island. “It is possible that a large amount ...