At 8:32 a.m. on May 18, 1980, an earthquake triggered the largest landslide in recorded history, setting off massive explosions blasting rocks, ash, volcanic gas and steam upward and outward.
At 8:32 a.m. on May 18, 1980, an earthquake triggered the largest landslide in recorded history, setting off massive explosions blasting rocks, ash, volcanic gas and steam upward and outward.