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5 nov. 2023 · Mount Shasta erupts episodically with ten or more eruptions occurring in short (500-2,000 year) time periods separated by long intervals (3,000-5,000 years) with few or no eruptions. Evidence suggests that magma most recently erupted at the surface about 3,200 years ago.
- Geology and History of Mount Shasta
Mount Shasta was primarily constructed during four major...
- Geology and History
Mount Shasta erupts episodically with ten or more eruptions...
- Geology and History of Mount Shasta
Mount Shasta (/ ˈ ʃ æ s t ə / SHASS-tə; Shasta: Waka-nunee-Tuki-wuki; [5] Karuk: Úytaahkoo) [6] is a potentially active [7] stratovolcano at the southern end of the Cascade Range in Siskiyou County, California. At an elevation of 14,179 ft (4,322 m), it is the second-highest peak in the Cascades and the fifth-highest in the state.
6 nov. 2023 · Mount Shasta was primarily constructed during four major cone-building episodes that were centered on separate vents. Each of the cone-building periods produced andesite lava flows, block-and-ash flows, and mudflows originating mainly at the central vents.
Mount Shasta erupts episodically with ten or more eruptions occurring in short (500-2,000 year) time periods separated by long intervals (3,000-5,000 years) with few or no eruptions. Evidence suggests that magma most recently erupted at the surface about 3,200 years ago.
30 sept. 2024 · Mount Shasta, peak (14,162 feet [4,317 metres]) of the Cascade Range in the Shasta-Trinity National Forest, northern California, U.S. The peak lies 77 miles (124 km) north of the city of Redding. An impressive double-peaked dormant volcano, it dominates the landscape (a vast panorama of tumbled.
- The Editors of Encyclopaedia Britannica
Le mont Shasta (en anglais : Mount Shasta, appelé Mount Sisson jusqu'en 1922) est un stratovolcan de l'État de Californie, à l'ouest des États-Unis. Son altitude de 4 317 mètres en fait le deuxième plus haut sommet de la chaîne des Cascades.
10 août 2020 · Mount Shasta, a composite volcanic cone in the southern Cascade Range and a notable landmark in northern California (United States), is the most voluminous stratocone of the Cascade arc, at ∼400 km 3 (Blakely et al., 2000).
