Mt. St. Helens By AHighWeedEater Mar 27, 1980 Small Explosions Mar 28, 1980 Evacuation Apr 24, 1980 Clot Found in Mount St. Helens Apr 30, 1980 Clot Grows May 1, 1980 Coldwater 2 Established May 11, 1980 Earthquake May 18, 1980 Crew Moves to Swift Creek May 18, 1980 Earthquake Opens Volcano, ERUPTION!!!!11!1!!11!!!! May 18, 1980 Rescue Starts May 18, 1980 Eruption Slows Aug 27, 1982 Mount St. Helens National Monument Established