Magma from volcanoes contains dissolved gases that are released into the atmosphere during eruptions. To find out the hazards and effects of these gases, follow the links below...
What drives a gaseous volcanic eruption?
NB. Pictures courtesy of USDA Forestry Service and the US Geological Survey, obtained without permission.
Website designed and constructed by Debbie Silvester of The University of Bristol. Email: ds1688@bris.ac.uk