Business News Volcano erupts on small Japan island A Japanese volcano erupted on Thursday, spewing ash and smoke six kilometres into the air over a small southern island. More… Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Tunnel through an Australian mountain Abu Dhabi’s Hyperloop to cost ‘$20m-$40m per km’, recoup investment in ‘8-15 years’: HyperloopTT