Predicting Eruptions at Mount St. Helens, June 1980 Through December 1982
- 30 September 1983
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 221 (4618) , 1369-1376
- https://doi.org/10.1126/science.221.4618.1369
Abstract
Thirteen eruptions of Mount St. Helens between June 1980 and December 1982 were predicted tens of minutes to, more generally, a few hours in advance. The last seven of these eruptions, starting with that of mid-April 1981, were predicted between 3 days and 3 weeks in advance. Precursory seismicity, deformation of the crater floor and the lava dome, and, to a lesser extent, gas emissions provided telltale evidence of forthcoming eruptions. The newly developed capability for prediction reduced risk to life and property and influenced land-use decisions.Keywords
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