On May 18, 1980, 30 year old USGS geologist David A. Johnston was monitoring Mount St. Helens from a ridge known as Coldwater II in Washington. At 8:32 a.m., a massive earthquake triggered the largest landslide in recorded history, causing the entire north face of the volcano to collapse. Johnston was the first to witness the catastrophic lateral blast and immediately radioed his famous final words: Vancouver! Vancouver! This is it! The horror of the event was the sheer physical force of the exp
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On May 18, 1980, 30 year old USGS geologist David A. Johnston was monitoring Mount St. Helens from a ridge known as Coldwater II in Washington. At 8:32 a.m., a massive earthquake triggered the largest landslide in recorded history, causing the entire north face of the volcano to collapse. Johnston was the first to witness the catastrophic lateral blast and immediately radioed his famous final words: Vancouver! Vancouver! This is it! The horror of the event was the sheer physical force of the exp
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