THE HEALTH HAZARDS OF VOLCANIC ASH A guide for the public This   document   has   been   prepared   by   the International  Volcanic  Health  Hazard  Network (IVHHN), Cities and Volcanoes Commission, GNS Science and the United States Geological Survey (USGS)  to  promote  the  safety  of  those  who experience volcanic ashfall. This guide explains the potential health effects of … Continue reading THE HEALTH HAZARDS OF VOLCANIC ASH (part 6 Precautions for Children)