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Aerial view of Mount Lassen with snow, early May 2018. Lassen Peak lies within Lassen Volcanic National Park, in Shasta County, California, 55 mi (89 km) east of the city of Redding. [4] Lassen Peak and the rest of the National Park area are surrounded by the Lassen National Forest, [5] which has an area of 1,200,000 acres (4,900 km 2). [6]
Lassen Volcanic National Park is one of the few areas in the world where all four types of volcanoes can be found: plug dome, shield, cinder cone, and stratovolcano. [ 4 ] The source of heat for the volcanism in the Lassen area is subduction of the Gorda Plate diving below the North American Plate off the Northern California coast. [ 5 ]
Cinder Cone lies in Lassen and Shasta counties, in Northern California, within the United States.Located 1.5 mi (2.4 km) southwest of Butte Lake and 2.2 mi (3.5 km) southeast of Prospect Peak [1] (which dwarfs Cinder Cone), [2] it is also sometimes referred to as Black Butte or Cinder Butte. [1]
The major volcanoes of the Cascade Range are fed from heat generated as tectonic plates dive below North America.. All rock now exposed in the area of the park is volcanic, and unconformably overlies much older sedimentary, metamorphic and igneous rock, [6] which was formed during the hundreds of millions of years when the Lassen region underwent repeated uplifting to form mountains, only to ...
The eruptions at the Chaos Crags mark one of just three instances of Holocene activity within the Lassen volcanic center. The cluster of domes is located north of Lassen Peak and form part of the southernmost segment of the Cascade Range in Northern California. Each year, a lake forms at the base of the Crags, and typically dries by the end of ...
Lake Helen is a glacial lake or a tarn occupying a cirque at around 8,200 feet (2,500 m) in Lassen Volcanic National Park. [1] The lake is located to the south of Lassen Peak and west of Bumpass Mountain in the Shasta Cascades region of Northern California. Highway 89 runs along the lake's southern and eastern shore. [2]
The central vent of Brokeoff Volcano was located near modern Diamond Peak. Brokeoff Mountain in winter. After volcanism at Brokeoff ended, magmatism became more silicic and began migrating toward Lassen Peak's northern flank. The last 400,000 years have seen at least three known flows, parts of which are still on Raker Peak and Mount Conard.
Hat Creek (Achumawi: Hatiwïwi) [4] is a 48.7-mile-long (78.4 km) [5] stream and tributary of the Pit River, which is located in Shasta County of northern California.. The creek rises in two forks on the eastern slopes of Lassen Peak in Lassen Volcanic National Park, and flows northward through Lassen National Forest to its mouth at Lake Britton near Burney, California.