Close Mount St. Helens: science of eruptions Mount St. Helens exploded on this day 37 years ago. The volcano erupted again in 2004. Scientists are constantly monitoring St. Helens and other Cascade volcanoes for the next time. KING 5:45 PM. PDT May 18, 2017 TRENDING VIDEOS Northern Lights over Anacortes Woodinville family has close call with a black bear Woman found 5 days after disappearance Richard Sherman in photos Learning about the world under Mount St. Helens Hit-and-run accident kills young man in Issaquah Evergreen faculty member afraid to come to campus I-90 changes move cars and bikes closer High toxin levels persist at Summit Lake Kentlake vs. Kentwood state baseball More Stories 1 dead, 1 injured after hit-and-run at Grays Harbor… May 29, 2017, 10:52 a.m. Fallen war heroes honored at JBLM May 29, 2017, 3:49 p.m. Amtrak service suspended from Seattle to Portland May 29, 2017, 5:19 p.m.