Detailed text transcripts for TV channel - FOXNEWS - 20180512:18:07:00
Away. it happened once before back in 1924 when blocks weighing 14 tons were blasted from the crater.>> we plan for the worst. we hope for the best. and based upon what the assessments are that's coming from the ãwe try to look at contingency plans. >>reporter: if molten rock flying through the air aren't enough, there's also the possibility of ash plumes that could go as high as 20,000 feet and as wide as 12 miles from the summit crater. the volcano is already spewing dangerous levels of sulfur dioxide. it has a pungent odor that irritates skin and tissues in the eyes, nose and throat. exper...