The mountain range Mt. St Helens is part of
What is the Cascade Mountain Range
The number of major eruptions before the 1980 eruptions
What is 9?
The age of the volcano
What is 40 000 years?
The type of volcano Mt St Helens is
What is a stratovolcano?
The major eruption of 1980
What is May 18, 1980?
Direction and distance of Mt St. Helens from Portland, Washington
What is 50miles northeast of Portland,Washington?
The name and number of the major eruption stages
What is 4 eruption phases, Ape Canyon stage, Couger Stage, Swift Creek Stage and Spirt Lake Stage?
The 2 plates that led to the formation of Mt St Helens
What are the Juan de Fuca and North American plates?
Materials that makeup Mt St Helens
What is Basalt and Andesite?
This man predicted the 1980 eruption
Who is Dwight "Rocky" Crandell