Documents Volcanoes: Prediction and Mitigation. Outline Mt. St. Helens Long Valley, 1982 Mt. Pinatubo, 1991.

Slide 1 Volcanoes: Prediction and Mitigation Slide 2 Outline Mt. St. Helens Long Valley, 1982 Mt. Pinatubo, 1991 Slide 3 Pre-1980 Eruption Activity - Mt. St. Helens Small…