- 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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