Javascript is either disabled or not supported by this browser. Javascript is either disabled or not supported by this browser. This page may not appear properly. Volcanoes have been on this earth as long as men have.
Volcanoes are very beautiful but also are potential natural disasters.
In this report we will distinguish Mount St. Helens for all it was and is today. Commander George Vancouver and the officers of H.M.S.Discovery named the mountain while they were surveying the Northern Pacific coast from 1792 to 1794. Mount St. Helens, like most other Cascade volcanoes, is a great cone of rubble consisting of lava rock interlayered with pyroclastic and other deposits. Mount St. Helens is a Stratovolcano, which is located in Washington. I this web page we will also discuss the Plate tectonic setting and the Prior or current eruptive activity of Mount St. Helens and the related nearby activity, in the Cascades volcanic arc.