Mount St. Helens, Part Two (May 1980)

USGS scientists recount their experiences before, during and after the May 18, 1980 eruption of Mount St. Helens. Loss of their colleague and 56 others in the eruption cast a pall over one of the most dramatic geologic moments in American history.

Source: http://link.brightcove.com/services/link/bcpid1813626064/bctid817543720001?src=mrss

AMKOR TECHNOLOGY AMPHENOL