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WorksheetsMt. St. Helens
Total questions: 10
Worksheet time: 7mins
Where is Mt. ST. Helens located?
New York
Idaho
Washington
California
Mt. St. Helens is described as?
An active composite or stratovolcano
A dormant volcano
A mountain volcano
An extinct volcano
In which of these years did Mt. St. Helens erupt?
1836
1999
2001
1980
What do the Native American's in that region call Mt. St. Helen?
Oquilluk
Loo-wit
Wy'east
Lua pele
How many people were killed in the blast cause by the eruption?
57
38
128
62
What was the force of the blast that expelled fire, rocks, and volcanic gas down the mountain?
300 km or 186 miles an hour
120 km or 75 miles an hour
480 km or 300 miles an hour
76 km or 47 miles an hour
What was the original height of the peak of Mt. St. Helen BEFORE the eruption?
2,390 m or 7,841 ft.
2,950 m or 9,677 ft
4,392 m or 14,409 ft
1,789 m or 8,799 ft
What was the height of the peak AFTER the eruption?
2,500 m or 8,365 ft.
629 m or 2,063 ft
1,220 m or 4,002 ft
2,682 m or 8,799 ft
Knowing that the peak was 9,677 ft before the eruption and 8,365 ft after the eruption, how many feet of Mt. St. Helens was blown away due to the explosion?
What was the total amount of surface area effected by the landslides and massive explosion?
127 sq miles
299 sq miles
42 sq miles
230 sq miles
