On May 18, 1980, the volcano, Mount St. Helens, erupted 50 miles north of Portland, Oregon. It triggered the biggest landslide in Earth's recorded history, where 200 square miles of forest were flattened. The ash cloud eventually reached the northeastern United States and 57 people died, making it the deadliest and most destructive volcanic eruption in U.S. History. PBS News' John Yang spoke with Steve Olson, author of the book “Eruption: The Untold Story of Mount St. Helens," to learn more. | P

Volcano is a 1997 American disaster film directed by Mick Jackson and produced by Neal H. Moritz and Andrew Z. Davis. The film stars Tommy Lee Jones, Anne Heche, Don Cheadle, and Keith David. Plot: The story of an effort to divert the path of a dangerous lava flow through the streets of Los Angeles following the formation of a volcano at the La Brea Tar Pits. Trivia: This was the second movie of 1997 based on volcanic eruption. The first one, Dante's Peak (1997), is considered to be a more accur