The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only ...

Exactly 100 years after California's last volcanic eruption ... Mount Rainier, Mount Hood and Mount St. Helens, which erupted in 1980.When Lassen exploded about 4:30 p.m. on May 22, 1915, it ...

The last eruption took place in the year 1984. The Mount Hood is the highest peak of Oregon and is also an active stratovolcano. The last significant eruption took place somewhere around 1781-1782.

Unlike the iconic peaks of the Cascade Range, such as Mount St. Helens or Mount Hood ... more active in the last 30 years, erupting three times, with the most recent eruption in 2015.