- 1. When did the eruption of Mount St. Helens occur?
A) 1980 B) 2005 C) 1990 D) 1975
- 2. Which US state is Mount St. Helens located in?
A) California B) Oregon C) Alaska D) Washington
- 3. What type of volcano is Mount St. Helens?
A) Caldera volcano B) Stratovolcano C) Cinder cone volcano D) Shield volcano
- 4. How many states experienced measurable ashfall due to the eruption of Mount St. Helens?
A) 5 B) 3 C) 7 D) 11
- 5. Which mountain range is Mount St. Helens a part of?
A) Rocky Mountains B) Appalachian Mountains C) Cascade Range D) Sierra Nevada
- 6. Which side of Mount St. Helens experienced the most devastation during the eruption?
A) North B) East C) South D) West
- 7. What government agency monitors volcanic activity at Mount St. Helens?
A) NOAA B) USGS (United States Geological Survey) C) NASA D) EPA
- 8. In which month did the eruption of Mount St. Helens occur?
A) August B) June C) May D) July
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