What scientists have learned from Mount St. Helens’ devastating eruption, 45 years later

Why did Moody’s downgrade US credit rating? How will NJ Transit strike resolution impact commuters? What caused Walmart to warn of price hikes? How are Trump tariffs affecting US retailers? Why did Capital One acquire Discover Financial? What’s behind Bitcoin’s recent surge past $105,000? How is Nvidia expanding amid US chip export curbs? Why are investors cautious after strong earnings rally? What led to the Brooklyn Bridge collision with Mexican ship?

What scientists have learned from Mount St. Helens’ devastating eruption, 45 years later

pbs.org/newshour/show/what-scientists-have-learned-from-mount-st-helens-devastating-eruption-45-years-later

It was 45 years ago today when Mount St. Helens erupted, triggering the biggest landslide in Earth’s recorded history and creating an ash cloud that reached across the country. John Yang looks back at the deadliest and most destructive volcanic eruption in U.S. history with Steve Olson,…

This story appeared on pbs.org, 2025-05-18 21:30:50.