Geography- case study-DW- volcano MEDC- Mt St Helens Flashcards
0
Q
What plate boundaries does it sit on?
A
Jean de Fuca subducted under the North American plate (destructive)
1
Q
Where is Mt St. Helens?
A
Washington state, USA
2
Q
When did the volcano erupt?
A
20th March to the 18th May 1980
3
Q
When was the major eruption?
A
18th May 1980
4
Q
How many people were killed?
A
61
5
Q
How many trees were destroyed?
A
10 million
6
Q
What were the primary effects?
A
- death
- landscapes destroyed
- Spirit lake filled in with ash/mud
- floodwaters washed away several roads
- after several days ash circled the world
7
Q
What were the short term responses?
A
-Evacuation of area before the main eruption (prediction of main area not completely accurate
8
Q
What were the long term responses?
A
- 10 million trees replanted
- need for rebuilding
9
Q
What were the secondary effects?
A
- money list (businesses destroyed)
- ash in the atmosphere is said to have affected weather in the Uk
