If not
then here is your opportunity to witness it.
Produced by the Smithsonian Institute
There may be an advertisement first, as is so often the case these days, but keep watching because the video will soon launch and is amazing.
Also, on my computer I had to click on a setting on the video to turn on the sound. Sigh. Things are never simple. But the video is worth the effort.
HERE'S THE LINK TO Footage of the 1980 Mt. St. Helen Eruption
