TOKYO >> Efforts to utilize pumice generated by an underwater volcano near the Ogasawara Islands in March have begun in Okinawa and Kagoshima prefectures, where huge amounts of the volcanic rock ...

The Atlantic island of Bermuda has long looked like a geological magic trick, a lonely volcanic peak apparently hovering in ...

This week, the tides were back to normal after the hurricane in the Gulf, making for better access to the beaches. Among the beachcombing finds were sand dollars, sargassum and pumice stone. Pumice, a ...

On April 22 at 6:04 p.m. the Calbuco volcano in Chile began erupting for the first time since 1972. The volcano spewed ash and pumice for at least 90 minutes as lava flowed from the main vent. Another ...