Mount St. Helens Revision Quiz

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