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WorksheetsMount St. Helens Revision Quiz
Total questions: 11
Worksheet time: 6mins
Where is Mount St. Helens located?
Montana
Oregon
Washington state
California
When did the major eruption of Mount St. Helens occur?
August 23, 1985
July 4, 1976
June 12, 1979
May 18, 1980
How many people were killed due to the eruption of Mount St. Helens?
45
75
30
57
What advancements were made in the field of volcanology after the eruption?
Decrease in funding and interest
More interdisciplinary collaboration and improved technologies
Focus shifted away from volcano monitoring
Reduction in expert monitoring systems
What major infrastructure was built to manage debris and flooding after the eruption?
Only sediment retention structures
No major infrastructure was built
Only levees along rivers
Pumps, a major diameter tunnel, and a sediment retention structure
What type of volcano is Mount St. Helens?
Shield volcano
Composite volcano
Cinder cone volcano
Lava dome volcano
What was the impact of the Mount St. Helens eruption on the local wildlife?
Minimal impact with quick recovery
Severe initial impact with gradual recovery
No significant impact noted
Permanent devastation to wildlife populations
How has the landscape around Mount St. Helens changed since the 1980 eruption?
It has remained largely unchanged
Significant reforestation efforts have been successful
The area has become a desert
New volcanic activity has reshaped the terrain
What ecological recovery programs were initiated at Mount St. Helens post-eruption?
Reforestation and wildlife rehabilitation
Only geological monitoring
No recovery programs were initiated
Urban development and industrial use
What impact did the Mount St. Helens eruption have on the local climate?
Significant cooling effects in the region
No noticeable changes
Increased rainfall and cooler temperatures
Long-term warming of the area
Which species of wildlife returned first to the area after the eruption of Mount St. Helens?
Deer and elk
Small mammals and birds
Amphibians and reptiles
No wildlife has returned
