45 years after blast, Mount St. Helens sediment still causes problems
Decades after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, sediment ...
Live Science25d
Volcanoes: Facts about geology's fieriest features
5 fast facts about volcanoes Volcanic ash is made ... made the loudest sound ever recorded - 310 decibels. When Mount St. Helens erupted in 1980, it blew away the top 1,300 feet (400 m) of the ...
Is Mount St. Helens about to blow? Washington volcano recharging 44 years after eruption
“High rates of seismicity, interpreted as recharge, have been observed in the past at Mount St. Helens and at other volcanoes ...
Mount St. Helens climber found dead in the volcano's crater 1,200 feet below the summit
Roscoe "Rocky" Shorey, who had summitted the mountain 28 times prior, was found dead early Saturday morning about 1,200 feet ...
BBC7y
Case study: Mt. St Helens 1980
A very common case study for volcanoes is the eruption of Mount St Helens in the USA in 1980. Other case studies include the eruption of Mount Etna in Sicily in 1974 and Heimaey eruption in ...