Getting to know a volcano, starting with its plume

Augustine Volcano during its 2005-2006 eruption. (Photo by Cyrus Read, Alaska Volcano Observatory/USGS)
Augustine Volcano during its 2005-2006 eruption. (Photo by Cyrus Read, Alaska Volcano Observatory/USGS)

A group of scientists from around the country are on a three-week expedition studying volcanoes in the Aleutian Islands. As part of that project, Tobias Fischer with the University of New Mexico is using instruments on helicopters to measure the gas composition of volcanic plumes. The work is aimed at improving volcano monitoring.

Fisher describes how the volcanic gas makes it to the surface:

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Tobias Fischer is a researcher with the University of New Mexico.