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Lassen Peak (/ ˈ l æ s ə n / LASS-ən), [3] commonly referred to as Mount Lassen, is a 10,457 ft (3,187 m) lava dome volcano in Lassen Volcanic National Park in Northern California.
The Twin Buttes are two cinder cone volcanoes [3] that lie north of Lassen Peak [1] in Shasta County, California. [4] The Twin Buttes reach a summit elevation of about 5,351 feet (1,631 m). [ 1 ] [a] Nearby towns include Burney , Old Station , and Viola . [ 4 ]
Interior of Amboy Crater showing a lava lake and the distant breach in the cinder cone rim. Interior of Amboy Crater from near breach showing lava lakes. Amboy Crater is a dormant cinder cone volcano that rises above a 70-square-kilometer (27 sq mi) lava field in the eastern Mojave Desert of southern California, within Mojave Trails National Monument.
Weather. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. ... Mt. Shasta, California's largest volcano, had many eruptions in prehistoric ...
It is also the southernmost non-extinct volcano of the Cascade Range (specifically, the Shasta Cascade part of the range). The 10,457 ft (3,187 m) tall volcano sits on the north-east flank of the remains of Mount Tehama, a stratovolcano that was a thousand feet (305 m) higher than Lassen and 11 to 15 mi (18 to 24 km) wide at its base. [8]
The volcano is credited with the creation of the High Valley through repeated eruptions the last of which is thought to have occurred 8,500–10,000 years ago. The result was an elevated valley at approximately 1,600 ft (490 m) in elevation with distinct ridgelines reaching up to 3,000 ft (910 m). [3]
Geochemist Harri Geiger was on the Spanish island of La Palma in the final days of October witnessing the power of the Cumbre Vieja volcano. The volcano was erupting at what appeared to be a safe ...
But before that, Shastina, along with the then forming Black Butte dacite plug dome complex to the west, created numerous pyroclastic flows that covered 43 sq mi (110 km 2), including large parts of what is now Mount Shasta, California and Weed, California. Diller Canyon (400 ft or 120 m deep and 0.25 mi or 400 m wide) is an avalanche chute ...