🌋 On March 27, 1980, Mount St. Helens in Washington started erupting with a series of explosions and ash clouds. The activity kept building up until a massive eruption happened on May 18 at 8:32 AM. It was one of the most powerful eruptions in U.S. history, with an explosivity rating of 5. Before this, the last big eruption in the U.S. was in 1915 at Lassen Peak, California. | The Galactic Void