How did Mount St. Helens affect the global environment?

Answer 1

Local residents:

People were evacuated from the blast near to the volcano in the build up to the eruption totalling two months

Their homes were destroyed

57 people were killed although most were tourists

Money earned by tourism decreased as although more people came, they spent less

Local Environment:

Spirit Lake was completely filled in

The whole local environment was destroyed and took years before things grew again in the local vicinity this would therefore affect logging companies

Living animals caught in the blast were killed and the habitat was unlivable for a long time

The volcano itself has changed shape

Poisonous gas and ash was released from the volcano

Global environment:

Ash poured down on 15 states and within days, gas from the volcano, encircled the world

It created a tourist attraction

It helped advance the scientist's knowledge on volcanoes and monitoring eruptions

Answer 2

The May 18, 1980 eruption of Mt. St. Helens was a strong enough eruption to cause minor global climate change. With the amount of ash and sulfur dioxide that the mountain was able to put into the upper atmosphere, although it is difficult to pinpoint how much the global temperature was actually effected by Mt. St. Helens, the scientists do know it happened. The reason it is hard to pinpoint what temperature change was directly caused by Mt. St. Helens is because there were several large eruptions around the same time period that almost certainly would have contributed to the temperature changes in the following years.

Answer 3

St Helens destroyed a lake not far from their. Temperature would of dropped because of ash clouds blocking to the sun also landslides destroyed forest.

Answer 4

When it erupted in 1980, it wiped out the whole national park. It also wiped out some of the areas around it.

Answer 5

When Mt St Helens eruppted, it spread ashes on the crops, burned trees down, and burned thousands of acres of land.

Answer 6

57 people were killed, there were lots of ash in the air, landing in layers of up to 5 inchs. There was a land slide that went almost a mile, and it uprooted lots of trees.

Answer 7

the eruption of Mount St helens disrupted the biosphere because it destroyed the water and life on the planted

Answer 8

The ash and the magma has destroyed most of the trees and then also killed all the animals that lived there.