The 1980 eruption cycle made Mount St. Helens one of the most famous and now best-monitored volcanoes in the Cascades. But it is far from the only volcano in the range. From southern British Columbia ...

Is a massive volcanic eruption about to wipe central Oregon off the map? If you spend much time on social media, you might ...

New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

Here in western Montana, we are used to preparing for severe weather and winter storms, but there is another natural threat ...

At the risk of this blog becoming all volcanoes, all the time, I bring you... more volcanoes! Two of my favorite geobloggers wrote mustn't-miss posts on some of our Cascades volcanoes. They showcase ...

Among the snow-capped volcanoes of the Pacific Northwest, Mount Adams gets relatively little love. There are more glamorous volcanoes to climb (Mount Rainier) or to ski (Mount Hood) or that have ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

As of January 4, 2021, Dr. Jon Major takes over leadership of the USGS Cascades Volcano Observatory from Seth Moran, who has served as the scientist-in-charge for the past five years. “It is my ...

Scientists have begun a long overdue study of Glacier Peak in Snohomish County – the second most explosive volcano in the Cascades after Mount St. Helens – in what they hope will lead to badly needed ...

Mount Adams, seen here from Mount Saint Helens, is the largest volcano by volume in the Cascade Range. (John Pallister/U.S. Geological Survey) Six low-intensity earthquakes rumbled beneath Mount Adams ...