Where We Live: 40th Anniversary of Mount St. Helens eruption

Washington

On this day in 1980, the volcano erupted

PORTLAND, Ore. (KOIN) — Forty years ago Monday, May 18, the most destructive volcanic event in US history happened here in the Pacific Northwest. Mount St. Helens, 70 miles northeast of Portland in Skamania County, exploded with a fury no one here had ever seen. Back in 1980, there was a former KOIN 6 News reporter who witnessed it all—it’s an important part of where we live.

After weeks of volcanic pressure building inside Mount St. Helens, the north face of the mountain exploded, sending smoke and ash 80,000 feet into the sky.

“The day May 18th was unforgettable,” said former KOIN 6 News reporter Bill Deiz.

Left: then-KOIN 6 News reporter Bill Deiz reports live from the scene of the Mount St Helens eruption in 1980. Right: Bill Deiz speaks with KOIN 6 News for the 40th Anniversary of the eruption. May 2020 (KOIN)

He and photographers Carol Thomas and Bruce Collins were among the first in the red zone as Saint Helens erupted.

“And we got about as close as we could get without losing our lives,” said Diez.

He reported from the ground and from the air as trees and logs dislodged by the blast flooded the Toutle River and headed for Spirit Lake.

“It looked like something unreal, something unearthly,” recalled Deiz. “And it was just some of the most fantastic stuff I’d ever seen.”

KOIN Video Vault: The eruption of Mount St. Helens
Photos: The eruption of Mount St. Helens

The eruption lasted most of the day, sending billowing smoke and ash into at least 11 states and blanketed nearby towns and cities.

“It was so thick that it turned day into night,” said Deiz.

Mount St. Helens as it erupts on May 18, 1980. (KOIN)

As estimated 57 people died in the eruption. The real number could be anywhere from 51 to 64. One well-know victim was Harry Truman, a lodge owner who refused to leave despite the warnings.

US Geological Survey Scientist Dave Johnston was among those killed in the 1980 eruption of Mount St. Helens. (USGS)

“That’s my life,” Truman was recorded saying. “Spirit Lake and Mount St. Helens is my life, folks. I’ve lived there 50 years. It’s part of me.”

Another victim was US Geological Survey Scientist David Johnston, for whom the Johnston Ridge Observatory was named.

For Deiz, that was among the most important stories he ever covered.

“We felt it was a mission. We wanted to inform the public,” said Deiz.

Bearing witness to one of the most spectacular and monumental events in Northwest history. The eruption caused more than a billion dollars in damage—more than $3 billion in today’s dollars. The blast took more than 1,300 feet off the top of the mountain.

A dome of lava inside the crater continues to grow today.

KOIN Video Vault: The eruption of Mount St. Helens

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