45 years ago today, Mount St. Helens erupted, killing 57 people and spewing 540 million tons of ash, which traveled the world. It’s a moment we will never forget. We conducted a moment of silence today to remember those who died. - ThreadSky

emd.wa.gov • 10 days ago

45 years ago today, Mount St. Helens erupted, killing 57 people and spewing 540 million tons of ash, which traveled the world. It’s a moment we will never forget. We conducted a moment of silence today to remember those who died.

Comments

emd.wa.gov•10 days ago

We’re counting down the 10 ways Mount St. Helens changed our world.

Residents and the world gained a profound appreciation for the destructive power of volcanoes.

Officials pioneered new ways to reclaim communities from volcanic ashfall.

emd.wa.gov•10 days ago

Communities downstream learned how a day-long volcanic eruption can continue to disturb river systems decades later.

Congress preserved a unique volcanic landscape for public use and future study.

Scientists and public officials forged specialized teams to respond to volcanic threats.

emd.wa.gov•10 days ago

Mount St. Helens inspired a new generation of volcanologists and increased international scientific cooperation.

Scientists gained important insights about the geologic history of Mount St. Helens.

New studies improved our understanding of Cascades volcano hazards and eruption frequency.

emd.wa.gov•10 days ago

Scientists discovered the barren landscape was quickly transformed into a mosaic of new and thriving habitats.

New ideas and technologies sparked a revolution in volcano monitoring and ability to provide hazard warnings.

Go more indepth in this Mount St. Helens guide: https://pubs.usgs.gov/fs/2020/3031/fs20203031.pdf

coachjeff629.bsky.social•10 days ago

I flew back to SeaTac from DC the day before. It was a dark blight in the series of 5 snowcapped peaks. Menacing. The next day, the earth moved and it exploded. Skies in East WA tuned black in mid day. Unforgettable.