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Volcano in Washington, U.S.
Mount St. Helens (known as Lawetlat'la to the local Cowlitz people, and Loowit or Louwala-Clough to the Klickitat) is an active stratovolcano located in
Mount_St._Helens
Major volcanic eruption in Skamania County, Washington
On May 18, 1980, at 8:32 a.m., Mount St. Helens in Skamania County, Washington, United States, experienced a catastrophic explosive eruption which had
1980 eruption of Mount St. Helens
1980_eruption_of_Mount_St._Helens
Volcanic eruption in Washington, United States
crater created by the 1980 eruption of Mount St. Helens. On September 23, 2004, around 2:00 a.m. PDT, Mount St. Helens experienced an earthquake swarm, with
2004–2008 volcanic activity of Mount St. Helens
2004–2008_volcanic_activity_of_Mount_St._Helens
American volcanologist (1949–1980)
Survey (USGS) volcanologist who was killed by the 1980 eruption of Mount St. Helens in the U.S. state of Washington. A principal scientist on the USGS
David_A._Johnston
American businessman and airman (1896–1980)
lived near Mount St. Helens, a volcano in the Cascade Range in the state of Washington, and was the owner and caretaker of Mount St. Helens Lodge at Spirit
Harry_R._Truman
Government-protected area in the United States
Mount St. Helens National Volcanic Monument is a U.S. National Monument that includes the area around Mount St. Helens in Cowlitz, Lewis, and Skamania
Mount St. Helens National Volcanic Monument
Mount_St._Helens_National_Volcanic_Monument
1981 movie directed by Ernest Pintoff
the eruption. The eruption images of Mount St. Helens were sourced from actual file footage of Mount St. Helens, much of it from ABC News, ABC affiliates
St._Helens_(film)
American photographer (1952–1980)
was an American photographer killed in the 1980 volcanic eruption of Mount St. Helens. A photojournalist covering the eruption for a local newspaper—the
Reid_Blackburn
Mountain range in western North America
Peak from 1914 to 1921 and a major eruption of Mount St. Helens in 1980. Minor eruptions of Mount St. Helens have also occurred since, most recently from
Cascade_Range
City in and county seat of Columbia County, Oregon
as "Plymouth". The name was changed to St. Helens in the latter part of 1850 for its view of Mount St. Helens, roughly 39 miles (63 km) away in Washington
St._Helens,_Oregon
Chain of stratovolcanoes in western North America
Peak from 1914 to 1921, a major eruption of Mount St. Helens in 1980, and a minor eruption of Mount St. Helens from 2004 to 2008. In contrast, volcanoes
Cascade_Volcanoes
American geologist and volcanologist
1958 – June 3, 1991) was an American volcanologist. He researched Mount St. Helens in the United States before and after its 1980 eruption, and was very
Harry_Glicken
1980 film
16, 2012. Retrieved December 1, 2008. Amazon.com The Eruption of Mount St. Helens! at IMDb The Eruption of Mount St. Helens! at IMAX Official trailer
The Eruption of Mount St. Helens!
The_Eruption_of_Mount_St._Helens!
Lake in Skamania County, Washington, U.S.
United States, located north of Mount St. Helens. It was a popular tourist destination for many years until Mount St. Helens erupted in 1980. Previously there
Spirit_Lake_(Washington)
American geologist (born 1937)
Geological Survey (USGS), who asked him to look at a growing bulge on the Mount St. Helens volcano in the state of Washington. Voight foresaw the collapse of
Barry_Voight
Windy Ridge is a ridge and eponymous Forest Highway in the Mount St. Helens National Volcanic Monument. The ridge goes between Windy Pass and Independence
Windy Ridge (Mount St. Helens)
Windy_Ridge_(Mount_St._Helens)
American photographer (1931–1980)
American photographer who died while photographing the 1980 eruption of Mount St. Helens. Landsburg was born in 1931 in Seattle, Washington. He served in the
Robert_Landsburg
Volcanic eruption which goes sideways
the most notable examples of a lateral eruption include Mount St. Helens, Mount Pelée, and Mount Etna. Most eruptions are caused by the immediate decompression
Lateral_eruption
Irish politician (1753–1839)
1790 to 1794. He was a friend of explorer George Vancouver, who named Mount St. Helens in what is now the US state of Washington after him. Alleyne was fifth
Alleyne FitzHerbert, 1st Baron St Helens
Alleyne_FitzHerbert,_1st_Baron_St_Helens
Artificial glass made from volcanic ash
as Mount St. Helens obsidian, emerald obsidianite, and ruby obsidianite, is a glass made from the fused volcanic rock dust from Mount St. Helens in the
Helenite
Mountain range in western North America
Peak from 1914 to 1921 and a major eruption of Mount St. Helens in 1980. Minor eruptions of Mount St. Helens have also occurred since, most recently from
Outline_of_the_Cascade_Range
Natural material created during volcanic eruptions
a sequential leaching experiment on ash from the 1980 eruption of Mount St. Helens, chloride salts were found to be the most readily soluble, followed
Volcanic_ash
Mudslide occurring in Washington, USA
St. Helens. The volume of debris, and subsequent destruction of a bridge, closed off Washington State Route 504 and access to the Mount St. Helens National
2023_South_Coldwater_Slide
Landslide-dammed lake in Washington, U.S.
the United States. The lake was created during the 1980 eruption of Mount St. Helens, which blocked its natural outlet, Coldwater Creek, with volcanic debris
Coldwater_Lake_(Washington)
Gorge in Washington, United States
along the edge of the Plains of Abraham, on the southeast shoulder of Mount St. Helens in the U.S. state of Washington. The gorge narrows to as close as eight
Ape_Canyon
Daily American newspaper
by the U.S. Postal Service. The Daily News covered the eruption of Mount St. Helens in 1980, and won the 1981 Pulitzer Prize for Local, General, or Spot
The Daily News (Longview, Washington)
The_Daily_News_(Longview,_Washington)
Southern Washington stratovolcano
more-frequently erupting neighbors, Mount St Helens and Mount Rainier. It has twelve named glaciers descending its slopes. Geologically, Mount Adams first formed in
Mount_Adams_(Washington)
1986 children's science photo book
of Mount St. Helens is a 1986 children's science photo book written by Patricia Lauber. Lauber documents the lead-up to the 1980 eruption of Mount St. Helens
Volcano: The Eruption and Healing of Mount St. Helens
Volcano:_The_Eruption_and_Healing_of_Mount_St._Helens
Ultramarathon in Washington, United States
Mountain Sno-Park, and passing through the Cascade Mountains, Mount Adams and Mount St. Helens, and culminating at White Pass High School in Randle, Washington
Bigfoot_200
Type of volcanic eruption in which lava is violently expelled
of the most violent type. A notable example is the 1980 eruption of Mount St. Helens. Such eruptions result when sufficient gas has dissolved under pressure
Explosive_eruption
Mountain in Washington (state), United States
Mount Whittier is a prominent 5,883-ft (1,793 m) mountain summit located in Mount St. Helens National Volcanic Monument, in the Gifford Pinchot National
Mount_Whittier_(Washington)
American politician (1923–2014)
2026. "40 years since Mount St. Helens devastating blast". AP Photos. May 15, 2020. Retrieved May 6, 2026. "Mount St. Helens eruption disaster declaration
Victor_Atiyeh
American geologist and volcanologist
geologist and volcanologist who is best recognized for her work on Mount St. Helens. Including her research on the volcanoes in the Cascade Range, she
Cynthia_Gardner
Topics referred to by the same term
some of which were in or near St Helens, Merseyside Mount St. Helens, an active stratovolcano in Washington Saint Helens, Kentucky Shively, Kentucky, formerly
St_Helens
1993 eruption of a volcano in Colombia
predictions were made similarly to the one before the 1980 eruption of Mount St. Helens—that a volcano would erupt, but not specifying an exact time. C. Dan
Galeras_tragedy
American volcanologist
volcanologist who alongside Donal R. Mullineaux correctly predicted that Mount St. Helens would erupt before the end of the 20th century. Born in Galesburg,
Dwight_Crandell
1997 film by Roger Donaldson
over to the volcano, showing its upper half has been reduced to a Mount St. Helens–like volcanic crater. Pierce Brosnan as Harry Dalton, a volcanologist
Dante's_Peak
River in Washington state
Situated near Mount St. Helens in the Cascade Range in the southern part of the state, it flows generally west through Mount St. Helens National Volcanic
Green River (North Fork Toutle River tributary)
Green_River_(North_Fork_Toutle_River_tributary)
Former American railroad company
agreement with Metra. In May 1980 when Mount St. Helens erupted, the BN owned the land around the summit of Mount St. Helens in Washington state. In the 19th
Burlington_Northern_Railroad
List of volcanic eruptions that might have been recorded during the Holocene
volcanic eruptions Timeline of volcanism on Earth Similar in scale to Mount St. Helens in 1980. At least three different volcanic eruptions contributed to
List of large Holocene volcanic eruptions
List_of_large_Holocene_volcanic_eruptions
Volcano in Katmai National Park, Alaska, US
which it released 30 times the volume of magma of the 1980 eruption of Mount St. Helens. The 1912 eruption that formed Novarupta was the largest to occur during
Novarupta
Volcanic eruption caused by an explosion of steam
in an explosion of steam, water, ash, rock, and volcanic bombs. At Mount St. Helens in Washington state, hundreds of steam explosions preceded the 1980
Phreatic_eruption
Vertical growth of solid volcanic lava
Soufrière Hills volcano A lava spine at the summit of Mount Pelée in 1902 "Whaleback", Mount St. Helens Volcanic plug Neuendorf, K. K. E., J. P. Mehl Jr.
Lava_spine
Collapse of a volcano
Oshima-Oshima, 1741 Ritter Island, 1888: largest historical collapse Mount St. Helens, 1980 Volcanology Debris flow Watt, Sebastian F. L. (2019-10-15). "The
Sector_collapse
State highway in southwestern Washington, US
along the North Fork Toutle River to the Mount St. Helens area, serving as the main access to the Mount St. Helens National Volcanic Monument. The highway
Washington_State_Route_504
Tectonic belt of earthquakes and volcanoes
Fire. Many of these subaerial volcanoes are stratovolcanoes (e.g. Mount St. Helens), formed by explosive eruptions of tephra alternating with effusive
Ring_of_Fire
unrest, Mount St. Helens experiences a major volcanic eruption. 1982 July 16: Washington's Lottery is established. August 27: Mount St. Helens National
Timeline of Washington (state) history
Timeline_of_Washington_(state)_history
Active volcano in California, United States
powerful in a series of eruptions from 1914 through 1917. Lassen Peak and Mount St. Helens in Washington were the only two volcanoes within the contiguous United
Lassen_Peak
Type of conical volcano composed of layers of lava and tephra
civilizations. Subduction-zone stratovolcanoes, such as Mount St. Helens, Mount Etna and Mount Pinatubo, typically erupt with explosive force because the
Stratovolcano
Research center in Washington, United States
Range. It was established in the summer of 1980, after the eruption of Mount St. Helens. The observatory is named for United States Geological Survey (USGS)
Cascades_Volcano_Observatory
Unincorporated community in Washington, United States
students. Silver Lake is about 30 miles (48 km) west of Mount St. Helens and near the Mount St. Helens National Volcanic Monument, which lies at the end of
Silver_Lake,_Washington
Tectonic boundary in North America
Caldera Mount Meager massif Mount Cayley Mount Garibaldi Mount Baker Glacier Peak Mount Rainier Mount St. Helens Mount Adams Mount Hood Mount Jefferson
Cascadia_subduction_zone
Fragmental material produced by a volcanic eruption
volcanic eruptions have been studied in North America. On 18 May 1980, Mount St. Helens, a stratovolcano in Washington state, erupted, spreading five hundred
Tephra
Roughly circular protrusion from slowly extruded viscous volcanic lava
leading to the 1956 eruption of Bezymianny and the 1980 eruption of Mount St. Helens. In each case, the explosive eruption began after the cryptodome caused
Lava_dome
Glacier in Washington, United States
(also known as Tulutson Glacier) is a geologically young glacier on Mount St. Helens, in the U.S. state of Washington. The glacier formed after the 1980
Crater_Glacier
Clastic rocks composed solely or primarily of volcanic materials
rocks; preserving the cities underneath for centuries. Mount St. Helens In May of 1980, Mount St. Helens erupted, causing a massive landslide and a large sideways
Pyroclastic_rock
Creationist museum in Washington
The Mount St. Helens Creation Information Center, previously Seven Wonders Creation Museum and Seven Wonders Museum of Mount St. Helens, is a ministry
7_Wonders_Museum
Mass of turbulent ash and gas that occurs in some volcanic eruptions
currents has been measured directly via photography only in the case of Mount St. Helens, where they reached 320-470 km/h, or 90–130 m/s (200–290 mph). Estimates
Pyroclastic_surge
Television station in Seattle
KOMO-TV nearly lost one of its staff in the volcanic eruption of Mount St. Helens on May 18, 1980. Dave Crockett, who had been with the station since
KOMO-TV
Protected area in the state of Washington, United States
congressional action established the Mount St. Helens National Volcanic Monument, after the cataclysmic eruption of Mount St. Helens in 1980. Congressional action
Gifford Pinchot National Forest
Gifford_Pinchot_National_Forest
River in Washington, United States
River near the community of Toutle. The forks originate on Mount St. Helens in Mount St. Helens National Volcanic Monument, and flow generally west to form
Toutle_River
American musician and video producer
popular videos made by Wurtz include animated music videos, such as "Mount St. Helens is about to Blow Up" and "And the Day Goes On", as well as nonsensical
Bill_Wurtz
1996 video game
addressing Congress. Though helped by the intervention of the TCS Mount St. Helens, sister ship to the Vesuvius, and its new captain, Eisen, the Intrepid
Wing Commander IV: The Price of Freedom
Wing_Commander_IV:_The_Price_of_Freedom
2006 documentary television series
Crash" – 1958 Munich air disaster "Eruption at Mount St. Helens" – 1980 eruption of Mount St. Helens "Chernobyl Nuclear Disaster" – 1986 Chernobyl disaster
Surviving_Disaster
Volcanic mudflow in Washington, USA
almost the same size as the crater produced by the 1980 eruption of Mount St. Helens. Most of the Osceola crater has been filled in by subsequent lava eruptions
Osceola_Mudflow
to refer to Vesuvian eruptions as "Plinian". The 1980 eruption of Mount St. Helens in Washington, which ripped apart the volcano's summit, was a Plinian
Volcanic_eruption
Gradual growth and change of an ecosystem on new substrate
occurred on Mount St. Helens as well, with primary succession beginning after the destruction of the region's ecosystem. In Mount St. Helens' primary succession
Primary_succession
Mountain in Washington state, United States
State in the United States. Mount Baker has the second-most thermally active crater in the Cascade Range after Mount St. Helens. About 30 miles (48 km) due
Mount_Baker
Volcano in Japan
by country Mount Araido (阿頼度山, Araidosan), Araido Island (阿頼度島), Kuril Islands Mount St. Helens Mount Rainier - a 'sister mountain' of Mount Fuji English:
Mount_Fuji
Glacier in Washington, United States
valley glacier, stretching out from the 8,364-foot (2,549 m) peak of Mount St. Helens in Skamania county in southwest Washington in the United States. The
Shoestring_Glacier
American politician (1914–1994)
first female governor and was in office during the 1980 eruption of Mount St. Helens. A graduate of Mills College and Stanford University, where she earned
Dixy_Lee_Ray
Mountain in United States of America
Tennessee (elevation 1,292 ft (394 m)). For comparison, Pre-1980 Mount St. Helens in Washington was roughly 5,000 ft (1,524 m) above its base. There
Mount_Le_Conte_(Tennessee)
Species of insect
south-western Washington state, especially in Skamania County around Mount St. Helens. It has also been found in the Chinook Pass area of Yakima County.
Grylloblatta_chirurgica
Volcanic caldera that has been partially filled by a new central cone
(Usulután Department, El Salvador) Mount Mazama (Crater Lake) and Wizard Island (Oregon, United States) Mount St. Helens and associated lava domes, (Washington
Somma_volcano
Mountain in Washington, United States
State Route 503 via NE Healy Rd, whose junction is just north of the Mount St. Helens National Volcanic Monument headquarters in Chelatchie (officially Amboy
Tumtum_Mountain
U.S. state
major volcanoes are Mount Baker, Glacier Peak, Mount Rainier, Mount St. Helens, and Mount Adams. All are active volcanoes. Mount Rainier—the tallest mountain
Washington_(state)
Creationist term for a fossil that extends through more than one geological stratum
volcanic deposits of Mount St. Helens (Skamania County, Washington) and of Mount Pinatubo in the Philippines. At Mount St. Helens, both unfossilized and
Polystrate_fossil
River in Cowlitz and Lewis counties, Washington state
tributaries drain a large region including the slopes of Mount Rainier, Mount Adams, and Mount St. Helens. The Cowlitz has a 2,586-square-mile (6,698 km2) drainage
Cowlitz_River
River in Washington, United States
Thlakalamah. The Kalama River originates in the Cascade Range just south of Mount St. Helens. It flows generally west, joining the Columbia River near Kalama, 73
Kalama_River
Berry and plant
Huckleberry was one of the few plant species to survive on the slopes of Mount St. Helens when the volcano erupted in 1980, and existed as a prominent mountain-slope
Huckleberry
1985 volcanic eruption in Colombia
Louisiana State University stated that, "With the possible exception of Mount St. Helens in the state of Washington, no other volcano in the Western Hemisphere
Armero_tragedy
Official tartan of Washington state
crops; yellow the wheat and grain crops; and black the eruption of Mount St. Helens. List of Washington state symbols List of U.S. state tartans The Scottish
Washington_state_tartan
Mountain ridge in Wyoming, United States
lahars or braided and meandering streams. Notably, the 1980 eruption of Mount St. Helens, and other Quaternary and Holocene eruptions of other Cascade Range
Specimen_Ridge
Mountain in Washington (state), United States
Minnie Peak is a 5,610-ft (1,710 m) mountain summit located in Mount St. Helens National Volcanic Monument, in Gifford Pinchot National Forest, in Skamania
Minnie_Peak
Unincorporated community in Washington, United States
known as the Spirit Lake Memorial Highway. Toutle is near Mount St. Helens and the Mount St. Helens National Volcanic Monument, which lies at the end of the
Toutle,_Washington
20th-century symphony by Alan Hovhaness
volcano Mount St. Helens, culminating in the events of its 1980 eruption, which Hovhaness had witnessed from his Seattle home. Mount St. Helens has a duration
Symphony_No._50_(Hovhaness)
Form of mass wasting
subaerial (on land) landslide occurred during the 1980 eruption of Mount St. Helens, a volcano in the Cascade Mountain Range in the US state of Washington
Mudflow
cover stories showcased historical events such as the 1980 eruption of Mount St. Helens and the effects of the weather phenomenon known as El Niño. Cover stories
List of National Geographic cover stories (1980s)
List_of_National_Geographic_cover_stories_(1980s)
Volcanic rock
structure to collapse, forming a caldera now known as Crater Lake. Mount St. Helens produced a large amount of dacitic pumice in 1980. Two main types were
Pumice
Active volcano on the Caribbean island of Martinique
This event was similar to the eruption of Mount St. Helens in 1980. The modern stage of the evolution of Mount Pelée has created most of the current cone
Mount_Pelée
Stratovolcano in California, United States
pyroclastic flow, similar to that which occurred in the 1980 eruption of Mount St. Helens. Since there is ice, such as Whitney Glacier and Mud Creek Glacier
Mount_Shasta
American reality television program
the air as of 2024. In 2012, TLC aired several specials: "Conquering Mount St. Helens", "Breaking Down the Walls", and "Welcome to the Jungle". On October
Little_People,_Big_World
City in Lewis County, Washington
bisected by State Route 505, which provides the shortest route to access Mount St. Helens National Volcanic Monument for southbound visitors. Approximately 4
Toledo,_Washington
River in Washington, United States
River. The east flank of Mount St. Helens is within the watershed of Muddy Creek. During the 1980 eruption of Mount St. Helens, lahars (volcanically-induced
Muddy_River_(Washington)
Public park in Portland, Oregon, U.S.
the park from which it is possible to see Mount Rainier, Mount St. Helens, Mount Adams, Mount Hood, and Mount Jefferson in the Cascade Range. The peak
Council_Crest_Park
Unincorporated community in Washington, United States
the nearest community to Mount St. Helens, which lies 13 miles (20.9215 km) to its northeast. The eruption of Mount St. Helens on May 18, 1980, was the
Cougar,_Washington
Glacier Rusk Glacier Wilson Glacier White Salmon Glacier Mount St. Helens Mount St. Helens once had eleven named glaciers, but the 1980 eruption of the
List of glaciers in the United States
List_of_glaciers_in_the_United_States
Unincorporated community in West Virginia, United States
birthplace of folk hero Harry R. Truman, who was killed during the Mount St. Helens eruption. U.S. Geological Survey Geographic Names Information System:
Ivydale, Clay County, West Virginia
Ivydale,_Clay_County,_West_Virginia
Mountain in Washington (state), United States
Coldwater Peak is a 5,722 ft (1,740 m) mountain summit located in Mount St. Helens National Volcanic Monument, in the Gifford Pinchot National Forest,
Coldwater_Peak
Fast-moving current of hot gas and volcanic matter that moves away from a volcano
when part of a volcano collapses or explodes (e.g., the eruption of Mount St. Helens on May 18, 1980). As distance from the volcano increases, this rapidly
Pyroclastic_flow
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