March 27, 1980, a series of volcanic explosions and pyroclastic flows began at Mount St. Helens in Skamania County, Washington, United States. A series of phreatic...

volcano is part of the Cascade Volcanic Arc, a segment of the Pacific Ring of Fire. The Mount St. Helens major eruption of May 18, 1980, remains the deadliest...

above the rim of the crater created by the 1980 eruption of Mount St. Helens. On September 23, 2004, around 2:00 a.m. PDT, Mount St. Helens experienced...

– May 18, 1980) was an American United States Geological Survey (USGS) volcanologist who was killed by the 1980 eruption of Mount St. Helens in the U.S...

The Eruption of Mount St. Helens! is a 1980 American short documentary film directed by George Casey. It was nominated for an Academy Award for Best Documentary...

Mount St. Helens, Mount Pelée, and Mount Etna. Most eruptions are caused by the immediate decompression of a magma chamber near the flanks of the volcano...

(November 13, 1931 – May 18, 1980) was an American photographer who died while photographing the 1980 eruption of Mount St. Helens. Landsburg was born in 1931...

1921 and a major eruption of Mount St. Helens in 1980. It is also the site of Canada's most recent major eruption, in 410BCE at the Mount Meager massif....

volcanic eruption of the 20th century, Novarupta released 30 times the volume of magma of the 1980 eruption of Mount St. Helens. The 1912 eruption that formed...

May 18, 1980) was an American photographer killed in the 1980 volcanic eruption of Mount St. Helens. A photojournalist covering the eruption for a local...

1896 – May 18, 1980) was an American businessman, bootlegger, and prospector. He lived near Mount St. Helens, an active volcano in the state of Washington...

volcanologist. He researched Mount St. Helens in the United States before and after its 1980 eruption, and was very distraught about the death of volcanologist David...

cataclysmic 1980 eruption of Mount St. Helens in Washington, with the story beginning on the day volcanic activity started on March 20, 1980, and ending...

explosive eruption is a volcanic eruption of the most violent type. A notable example is the 1980 eruption of Mount St. Helens. Such eruptions result when...

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 had...

Mount Tambora is a volcano on the island of Sumbawa in present-day Indonesia, then part of the Dutch East Indies, and its 1815 eruption was the most powerful...

and volcanic bombs. At Mount St. Helens in Washington state, hundreds of steam explosions preceded the 1980 Plinian eruption of the volcano. A less intense...

Mount St. Helens National Volcanic Monument is a U.S. National Monument that includes the area around Mount St. Helens in Cowlitz and Skamania Counties...

Santa María in Guatemala. The 1980 eruption of Mount St. Helens in Washington in the western United States. The 1982 eruption of El Chichón in Chiapanecan...

eruptions by human death toll. Lists of disasters List of volcanic eruption deaths List of natural disasters by death toll List of volcanic eruptions...

border of Cowlitz County and Skamania County, Washington in the United States. The lake was created during the 1980 eruption of Mount St. Helens, which...

in the 1980 eruption of Mount St. Helens. The landslide left a large depression in the side of the volcano, known as 'Valle del Bove' (Valley of the Ox)...

was overtaken by volcanic mudflows (lahars) during the May 1980 eruption of Mount St. Helens. When the smelt spawn in the Cowlitz River, the gulls go into...

Bigfoot folklore. Ape Canyon was heavily impacted by the 1980 eruption of Mount St. Helens. Adjacent to the steep rocky canyon is the present Ape Canyon...

governor and was in office during the 1980 eruption of Mount St. Helens. She was a supporter of atomic energy. A graduate of Mills College and Stanford University...

(million years ago) and produced 2,500 times as much ash as the 1980 eruption of Mount St. Helens. Island Park Caldera has the smaller and younger Henry's Fork...

Colditz Castle, the Drake equation, elementary particles, the 1980 eruption of Mount St. Helens, Fermat's Last Theorem, the AIDS epidemic, global warming...

sections to be rebuilt. A major section of SR 504 was destroyed in the May 18, 1980, eruption of Mount St. Helens and its subsequent lahar on the North...

worst-case scenario for an eruption is a large pyroclastic flow, similar to that which occurred in the 1980 eruption of Mount St. Helens. Since there is ice...

Vesuvian eruptions as "Plinian". The 1980 eruption of Mount St. Helens in Washington, which ripped apart the volcano's summit, was a Plinian eruption of Volcanic...