May 3, 2019
When Mount St. Helens explosively erupted on May 18th, 1980, it reduced the peak by 1,300 feet and leveled much of the surrounding area. A cloud of ash rose 13 miles into the air.
May 6, 2025
Sources/Usage: Public Domain. View Media Details Original News Story Here SAVE THE DATE The USGS David A. Johnston Cascades Volcano Observatory will be hosting it’s first Open […]
January 31, 2025
In focus: Scenes from the Birth of a Lake trail at Coldwater Lake The Birth of a Lake boardwalk trail is pictured at Coldwater Lake on […]
September 19, 2019
Are you interested in sharing your story of the eruption of Mount St Helens with Washington State Parks?
September 13, 2019
Encompassing the areas of British Columbia, Idaho, Oregon, and Washington, the Pacific Northwest is a vast region of the Americas with towering mountains, awe-inspiring volcanoes, and […]
May 3, 2019
Best of the best hiking in the Northwest Shared from Planetware.com Written by Brad LaneJan 24, 2019 Updated information had been provided for 2024. Best known in […]
September 13, 2018
Shared from Q13 Fox SEATTLE — In the early spring of 1980, Mount St. Helens had a single seismograph monitoring earthquakes on the mountain. After numerous quakes were measured, […]
July 13, 2008
Scientists declare that the 2004-2008 eruption has ended after building a new, 125-million-cubic-yard lava dome.
February 13, 2008
Dome-building slows to a halt and seismic activity drops.
May 13, 2005
Mount St. Helens continues to experience low rates of seismicity, low emissions of steam and volcanic gases, minor production of ash, and the growth of a […]
March 8, 2005
The mountain sends ash and steam to an altitude of 36,000 feet, wowing spectators just before sunset.’
January 16, 2005
A 17-minute explosive eruption destroys instruments inside the crater.
November 5, 2004
New dome reaches 26 million cubic yards.
October 11, 2004
Lava emerges on the crater surface for the first time in 18 years.
September 23, 2004
The mountain stirs with a flurry of earthquakes.
August 2, 2004
Sustained tremors inside the mountain indicate movement of magma. The Forest Service evacuates visitors from Johnston Ridge Observatory.
May 13, 1997
The U.S. Forest Service opens the Johnston Ridge Observatory five miles from the crater.
May 13, 1994
The reconstructed 52-mile-long Spirit Lake Memorial Highway opens to traffic, connecting Castle Rock to stunning viewpoints in the blast zone.
June 1, 1987
U.S. Army Corps of Engineers builds a dam to hold back sediment carried downstream by the North Fork of the Toutle.
May 13, 1987
Volcano summit reopened to recreational climbing.
August 27, 1982
President Reagan signs a bill establishing the 110,000-acre Mount St. Helens National Volcanic Monument.
September 3, 1980
Weyerhaeuser Co. begins salvaging some of the 62,000 acres of timber and young plantations damaged by the blast.
June 13, 1980
Continuing eruptions destroy a lava dome inside the crater. A new dome forms.
May 18, 1980
St. Helens’ eruption, with its lateral blast, debris avalanche, mudflows and floods, claims 57 lives and obliterates virtually everything within an eight-mile radius. An ash column […]
October 11, 2004
Lava emerges on the crater surface for the first time in 18 years.
May 18, 1980
St. Helens’ eruption, with its lateral blast, debris avalanche, mudflows and floods, claims 57 lives and obliterates virtually everything within an eight-mile radius. An ash column […]