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Mount St. Helens' bounce back is partly due to a pesky animal

Gophers were able to survive underground after the 1980 Mount St. Helens eruption and helped plants thrive again.

SKAMANIA COUNTY, Wash. — It has been 40 years since the violent eruption of Mount St. Helens.

Since then, it has become a giant research project that continues to teach scientists and researchers from all over the world.

The mountain was quiet for more than 120 years before it erupted on May 18, 1980. 

Nearly 1,300 feet of the mountain disappeared as a result. 

Ray Yurkewycz is the executive director of the Mount St. Helens Institute. He says a lot of people are surprised to learn how quickly the mountain rebounded.

Watch: RAW VIDEO: Mount St. Helens, May 18, 1980, Torrents of mud

If you were to walk through the trails today that lead you up to the summit of the volcano, you would see gorgeous colors and beautiful foliage. What Yurkewycz says is really surprising is the unlikely source that has helped bring things back to life.

We can thank the gophers.

Ray says that pocket gophers were able to survive underground and helped plants thrive again.

“After the eruption, their food source was still there, so as they were feeding, they would turn up the soil and these plants would start growing,” says Yurkewycz.

RELATED: Video: Attempting to climb Mount St. Helens

While plants and other animals started to come back to the mountain, he says the mountain also became widely studied by researchers and scientists.  

“It was one of the most studied volcanoes in the world, it is the most wired volcano. The eruption of Mount St. Helens has really furthered the understanding of volcanoes and how to predict eruptions.”

Carolyn Driedger, a hydrologist with the U.S. Geological Survey, says before the eruption, scientists didn’t have as many ways to monitor the mountain as they do today. She says before the eruption there was only one seismograph dedicated to the mountain, which didn’t give them enough information on what would happen with the volcano.

Forty years later, researchers and scientists are a lot more prepared.

“We've taken many generations of seismographs and gear up to the volcano to see how it's forming and making deformation,” says Driedger. Today, they can be ready when, not if, the mountain starts to reawaken, like we saw more than 15 years ago, when magma reached the surface creating a new lava dome.

RELATED: Four volcanoes in Oregon rated 'very high threat'

Yurkewycs says the research that has been conducted right in our own backyard has saved countless lives.

You could say Mount St. Helens is, and always will be, a one-of-a-kind science project that continues to teach people from all over the world.

Find more raw footage of Mount St. Helens before and after the eruption on our YouTube channel. 

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