Thirty years (and one day) ago, Mount St. Helens blew its top. Or rather, its side. After months of heightened seismic activity, a 5.1 magnitude earthquake caused the flank of the mountain to suddenly ...
It was a quiet Sunday morning, at 8:32 a.m., 38 years ago when Mount St. Helens blew its top, sending tons of ash into the sky. The volcano had been quiet since the 1850s, but in 1980, geologists were ...
The 1980 blast remains the deadliest volcanic eruption in U.S. history. More than 300 miles from the volcano, cities like Pullman, Washington, and Moscow, Idaho, were covered in ash. A 23-year-old ...
This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American I'm still going through the USGS image ...
Hosted on MSN
Chasing volcano views in the Pacific Northwest
From the blast zone of Mount St. Helens to serene volcanic lakes, the Pacific Northwest is a playground for geology lovers. These landscapes tell stories of fiery pasts and resilient recoveries, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results