Predict an Eruption
![July 22nd eruption of Mount St. Helens showing large ash column](https://webarchive.library.unt.edu/web/20120928044241im_/http://volcanoes.usgs.gov/images/learning/msh19800722.gif)
This presentation uses data from several eruptive episodes of Mount St. Helens in the 1980's to show the way in which a series of eruptions were accurately predicted by USGS scientists as far as 3 weeks before eruptive activity occurred. Several modules demonstrate the use of earthquakes and deformation of a volcano for predicting eruptions and allow you to predict an actual eruption of Mount St. Helens using data collected by scientists of the USGS Cascades Volcano Observatory.
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The presentation requires Adobe's Flash Player. Also available is a text-only version.