Emission of sulfur dioxide gas from Mount St. Helens, 1980-1988
Strong west wind blows gas plume away from Mount St. Helens volcano in Washington.
Average daily emission rates of SO2 gas from Mount St. Helens volcano, 1980-1988
For data, see Open-File Report 94-212.
Average yearly emission rates of SO2 gas from Mount St. Helens
Annual emission rates, Mount St. Helens 1980-1988 |
|
---|---|
Year | kilotons (metric) |
1980 | 222 |
1981 | 105 |
1982 | 45 |
1983 | 39 |
1984 | 26 |
1985 | 13 |
1986 | 17 |
1987 | 3.5 |
1988 | 2.5 |
References
McGee, K.A., 1992, The structure, dynamics, and chemical composition of noneruptive plumes from Mount St. Helens, 1980-88: Journal of Volcanology and Geothermal Research, v. 51, p. 269-282.Gerlach, T.M., and McGee, K.A., 1994, Total sulfur dioxide emissions and pre-eruption vapor-saturated magma at Mount St. Helens, 1980-88: Geophysical Research Letters, v. 21, no. 25, p. 2833-2836.