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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.

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Jarred Krajcik

Lvl 10
4y ago

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