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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
Map all coordinates using OpenStreetMap. ... in Category:Volcanoes of California by county. It should hold all the pages in the county-level categories, and may hold ...
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 ...
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.
Volcano almost became the county seat in 1854 and again in 1857, but the newspaper closed in 1857 and afterwards, the town began to decline. [10] Although small, Volcano is a town of many "firsts": [11] 1854 First theater group in California; 1854 First debating society in California; 1854 First circulating library in California
The Geologic History of the surrounding area including the volcano (which is covered with heavy concentrations of chaparral, oak, Pacific madrone, manzanita, western white pine and other plant species of the California coastal mountains) has been studied and documented by the USGS and prominent geologists as far back as 1938. At an approximate ...
Davidson Seamount is a seamount (underwater volcano) located off the coast of Central California, 80 mi (129 km) southwest of Monterey and 75 mi (121 km) west of San Simeon. At 26 mi (42 km) long and 8 mi (13 km) wide, it is one of the largest known seamounts in the world. [ 4 ]
Clear Lake Volcanic Field; Highest point; Elevation: 4,724 ft (1,440 m) [1] Coordinates: 2]: Geography; Location: Lake County, California, United States: Parent range: North Coast Ranges: Topo map: USGS Kelseyville: Geology; Rock age: less than 2.1 million years [3]: Mountain type(s): lava domes, cinder cones, maars within volcanic field [2]: Last eruption: Holocene [2]: Geologic map of the ...