Christopher Kenedi, Steven Brantley, Peter Stauffer, II Hendley, United States Geological Survey, United States Geological Survey, United States Geological Survey, United States Geological Survey
This United States Geological Survey (USGS) on-line publication discusses volcanic ash fall in terms of composition and effects. This report discusses the negative effects of volcanic ash fall on machinery, human health, weather and man-made structures, using the Mount Saint Helens eruption of 1980 as an example. The composition of volcanic ash is discussed, as well as ancient and modern ash falls that have occurred in the United States.
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Subject: Environmental Science:Natural Hazards:Volcanism Special Interest: Hazards Grade Level: High School (9-12), Middle (6-8), College Lower (13-14) Theme: Teach the Earth:Teaching Topics:Volcanoes, Teach the Earth:Incorporating Societal Issues:Hazards, Teach the Earth:Course Topics:Environmental Science
