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Cerro de la Calavera (also known as Mount Calavera) is an 513 ft (156 m) [1] ancient plug dome volcano that last erupted 22 million years ago during the subduction of the Farallon Plate. [3] [better source needed] It is located within the city of Carlsbad, California in the United States. Cerro de la Calavera is only one of three volcanic plugs ...
Name Elevation Location Last eruption meters feet Coordinates; Malumalu: Last 8,000 years Ta‘u-931: 3054: 30,000 years ago [15]: Ofu-Olosega: 639: 2096: 1866 unnamed submarine cone eruption
Volcano (formerly Soldier's Gulch and The Volcano) is a census-designated place [4] in Amador County, California. It lies at an elevation of 2,070 feet (631 m). The population was 115 at the 2010 census. It is located at , just north of Pine Grove.
Map all coordinates using OpenStreetMap. Download coordinates as: KML; GPX (all coordinates) ... GPX (secondary coordinates) in Category:Volcanoes of California by ...
The magma that fuels the volcanoes in the park is derived from subduction off the coast of Northern California. Cinder Cone and the Fantastic Lava Beds , located about 10 mi (16 km) northeast of Lassen Peak, is a cinder cone volcano and associated lava flow field that last erupted about 1650.
Mount Konocti / k oʊ ˈ n ɒ k t aɪ / is a volcano in Lake County, California on the south shore of Clear Lake.At 4,305 feet (1,312 m), it is the second highest peak in the Clear Lake Volcanic Field, which consists of numerous volcanic domes and cones ranging from 10,000 to 2.1 million years old.
From 1887 to 1911, Black Butte Summit was the name of a station on the Southern Pacific (SP) Siskiyou Line near Summit Lake, about a mile south of Black Butte. [9] In 1924–1926, the Natron Cutoff was built by SP as an alternative to the steep Siskiyou route and a small rail yard, wye, and train orders office were built at the present site of Black Butte on the rerouted line. [9]
Geologic map of the Sonoma Volcanics. The Sonoma Volcanics are a geologic formation of volcanic origin that is widespread in Napa and Sonoma counties, California.Most of the formation is Pliocene in age and includes obsidian, perlitic glass, diatomaceous mud, pyroclastic tuff, pumice, rhyolite tuffs, andesite breccias and interbedded volcanic lava flows.