M4S 112: Lessons from the Mount St Helens Volcano Eruption
May 18, 1980, is a day that many Pacific Northwesterners will never forget – it was the day the Mount St Helens volcano erupted. The Mount St Helens volcano is located about 100 miles south of Seattle and 50 miles northeast of Portland, Oregon. The eruption of the Mount St Helens volcano was the most
