September 3, 1980

September 1980 Timber Salvage

Weyerhaeuser Co. begins salvaging some of the 62,000 acres of timber and young plantations damaged by the blast.
June 13, 1980

June-October 1980 New Dome Forms

Continuing eruptions destroy a lava dome inside the crater. A new dome forms.
May 18, 1980

8:32 a.m. May 18, 1980 Historic Modern Eruption

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 […]
May 13, 1980

May 1980 Swelling North Face

Swelling on the north face creates an ominous bulge. Hundreds of earthquakes shake the mountain.
March 27, 1980

March 1980 Magnitude 4.1 earthquake

Magnitude 4.1 earthquake signals reawakening. Eruption of ash and steam March 27, opening a 250-foot crater.
February 1, 1800

1800’s Explosive Eruption

Mount St. Helens erupts explosively in 1800; intermittently from 1831 to 1857; then enters a 123-year quiet phase.
January 1, 1792

Mt. St. Helen’s is named by Captain Vancouver

Captain George Vancouver named the volcano for Britain’s ambassador to Spain, Alleyne Fitzherbert, also known as Baron St. Helens. Alleyne FitzHerbert, 1st Baron St Helens PC […]
May 18, 0001

Mt. St. Helens is Born 3,000 Years Ago

Most of Mount St. Helens is younger than 3,000 years old (younger than the pyramids of Egypt) Loowit Some Native American names that refer to smoke […]
May 3, 2019

Washington State Visitors Guide: 2019

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May 3, 2019

USA Today – Go Escape – Summer 2018

Hot off the Press:  2018 View the magazine online
September 13, 2018

What’s changed since the Mount St. Helens eruption?

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

July 13, 2008 Eruptions End

Scientists declare that the 2004-2008 eruption has ended after building a new, 125-million-cubic-yard lava dome.
February 13, 2008

Early 2008 Dome Building

Dome-building slows to a halt and seismic activity drops.
May 13, 2005

2005 – Present Seismic Activity Resumes

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 […]