Volcanism

Question 1

Where is Arizona’s main source if volcanic activity?

Answer 1

Flagstaff

Question 2

Some eruptions may be _____________ but many are relatively ___________.

Answer 2

Cataclysmic and Quiescent

Question 3

The primary factors which determine the nature of volcanic eruptions are:

Answer 3

1) the amount of dissolve gases
2) temperature
3) composition

Question 4

Which mountain range is Mount St. Helens located in?

Answer 4

The Cascades

Question 5

Viscosity

Answer 5

Magma’s mobility.

Question 6

What are the different gases that can emit from a volcano?

Answer 6

Water Vapor, Carbon Dioxide, Sulfur Gases, Others: Chlorine, Florine, Argon, and Nitrogen