
March 1980 Magnitude 4.1 earthquake
March 27, 1980
8:32 a.m. May 18, 1980 Historic Modern Eruption
May 18, 1980Swelling on the north face creates an ominous bulge. Hundreds of earthquakes shake the mountain.
Experience Mount St. Helens, where raw power and quiet resilience shape one of the Pacific Northwest’s most remarkable places.
Explore communities around Mount St. Helens, where history, creativity, and Northwest character shape each town’s unique story.
Discover things to do around Mount St. Helens, where scenic trails, outdoor adventures, and local attractions invite you to explore at your own pace.
Discover Cowlitz County dining, where cozy eateries and hometown cafés serve hearty flavors with genuine Northwest hospitality. It’s a place to slow down, savor a meal, and feel right at home.
Find Mount St. Helens lodging where friendly hosts, peaceful settings, and comfortable stays invite you to relax, recharge, and enjoy the journey.
Experience Mount St. Helens, where raw power and quiet resilience shape one of the Pacific Northwest’s most remarkable places.
Explore communities around Mount St. Helens, where history, creativity, and Northwest character shape each town’s unique story.
Discover things to do around Mount St. Helens, where scenic trails, outdoor adventures, and local attractions invite you to explore at your own pace.
Discover Cowlitz County dining, where cozy eateries and hometown cafés serve hearty flavors with genuine Northwest hospitality. It’s a place to slow down, savor a meal, and feel right at home.
Find Mount St. Helens lodging where friendly hosts, peaceful settings, and comfortable stays invite you to relax, recharge, and enjoy the journey.




Swelling on the north face creates an ominous bulge. Hundreds of earthquakes shake the mountain.