What would the impact be on Seattle if Mt. Rainier erupted?

When geologist Carolyn Driedger talks about Mount Rainier, she feels like she's trash-talking. ... The last big one was Mount St. Helens in 1980; Lassen Peak in Northern California erupted in 1915. The mountain ... Sediment settling in the ports of Tacoma and Seattle could cost billions of dollars to dredge. read more

The view from the air told the story to me- mud and lava flow from Mt. Rainier had literally flattened the whole area from Mt. Rainier to Puget Sound. Seattle sits right in that flow path, with the terminus being Elliot Bay. read more

Mount Rainier is part of the Cascade Range, a string of mountains and foothills, including Mount Saint Helens, that march from southern British Columbia in Canada to northern California. Many of the volcanoes in this range are active and concern nearby communities, but a Rainier eruption would be the most devastating of them all. read more

The last big one was Mount St. Helens in 1980; Lassen Peak in Northern California erupted in 1915. The mountain, as locals call it, defines us as a region. It’s on our license plates and our quarters. read more