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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 ]
A year before Ishi's death, Mt. Lassen exploded. Mt. Lassen is officially recognized as Lassen Peak by the United States Board on Geographic Names. Before the eruption on May 22, 1915, the smoking volcano became a tourist draw. Today, within Lassen Volcanic National Park, the area surrounding the volcano is known as the Devastated Area.
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.
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 Lassen volcanic area presents a geological record of sedimentation and volcanic activity in and around Lassen Volcanic National Park in Northern California, U.S. The park is located in the southernmost part of the Cascade Mountain Range in the Pacific Northwest region of the United States.
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 Mount Harkness Fire Lookout, on Mount Harkness in Lassen Volcanic National Park, in Plumas County, California near Mineral, California, was listed on the National Register of Historic Places in 2017. It was built in 1931 to a "classic rustic NPS design".