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May 18, 1980: The major earthquake left Mount. St. Helens with a caved-in mountain and a devastating eruption that killed almost all life on site. The eruption was a great example of how primary succession could affect the environment.
With the eruption, most of the flora and fauna that lived in the area were destroyed. Even now, the land is trying to recover.
Spirit Lake used to be a major tourist attraction, but after the eruption, the lake's original form was somewhat modified. The surface elevation was raised by around 64 meters, and it threatened to overflow.
In the effects of the eruption, there were 57 people that were either dead or missing.
Mount St. Helens is a prime example of primary succession because there were hardly any animals or plants that survived the eruption.
The land has grown back now, coming back from the extreme disaster that ruined the northern part of the land. After about thirty years, the land has regrown to almost the full extent of recovery.
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