Mount St Helens

Question 1

impact on people

Answer 1

1. 57 people died. 52 of those people were actually outside the exclusion zone
2. Some people living near the volcano reported PTSD symptoms – including: irritability and insomnia
3. In eastern Washington 5,000 motorist were stranded due to the thick ash that fell from the eruption
4. Over 1000 commercial flights were cancelled due to the thick ash that fell
5. The lahar and pyroclastic flow led to the total or partial destruction of eight bridges and 200 homes. It cost $145 million to rebuild affected highways and bridges

Question 2

impact on the environment

Answer 2

1.