Geologists Climb Into Iceland Volcano, Come Out With Stunning Images http://news.yahoo.com/geologists-climb-iceland-volcano-come-stunning-images-132015005.html Talk about a hot job. I hope they get samples for isotopic analysis. There are "small vents of blue sulfur-dioxide gas rise from the crater, along with puffs of steaming hot water vapor. There are also small amounts of chlorine, fluorine and carbon monoxide spewing from the crater, . . . " Toxic too. The lava field covers 33 square miles (85 square km) and has a volume of 0.34 cubic miles (1.4 cubic km).