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 […]
May 13, 1980
Swelling on the north face creates an ominous bulge. Hundreds of earthquakes shake the mountain.
March 27, 1980
Magnitude 4.1 earthquake signals reawakening. Eruption of ash and steam March 27, opening a 250-foot crater.
February 1, 1800
Mount St. Helens erupts explosively in 1800; intermittently from 1831 to 1857; then enters a 123-year quiet phase.
January 1, 1792
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
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 […]