Physics
Scientific paper
Nov 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980georl...7..893m&link_type=abstract
Geophysical Research Letters, vol. 7, Nov. 1980, p. 893-896.
Physics
9
Aerosols, Particle Size Distribution, Stratosphere, Volcanoes, Air Pollution, Ashes
Scientific paper
The total grain distribution of tephra from the eruption by the Fuego volcano in Guatemala on Oct. 14, 1974 was determined by grain size analysis. The region within each isopach has a grain distribution which was weighted proportionally to its percentage volume; the total distribution had a median grain size of 0.6 mm and a sorting coefficient of 2.3. The ash composed of fine particles did not fall in the volcano area as part of the recognizable tephra blanket; the eruption column reached well into the stratosphere to the height of 10-12 km above sea level, with mass flux rate estimated altitudes of 18-23 km
Murrow P. J.
Rose William I. Jr.
Self Stephen
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