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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.
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 ...
California. Name Elevation Location Last eruption meters feet Coordinates; Amboy Crater - 300 - 984 ... Haleakalā or East Maui Volcano: 3055: 10,023
in Category:Volcanoes of California by county. It should hold all the pages in the county-level categories, and may hold other pages such as lists.
Round Mountain is a dormant volcanic cinder cone located in the Clear Lake Volcanic Field in the eastern end of the High Valley.It last erupted approximately 8,500–10,000 years ago and filled the valley with volcanic debris, raising the valley level to 400 feet above Clear Lake.
The Sutter Buttes lie within the Central Valley of California. [8]They were formed about 1.6 million years ago in the early Pleistocene Epoch [8] by volcanic activity.They are the remnants of a volcano that has been dormant [9] for about 1.4 million years. [10]
Mt. Shasta, California's largest volcano, had many eruptions in prehistoric times but has remained quiet in the modern era. And like the Long Valley Caldera, the magma beneath Lassen Volcanic ...
Mount Saint Helena (Wappo: Kanamota, "Human Mountain") [4] is a peak in the Mayacamas Mountains with flanks in Napa, Sonoma, and Lake counties of California.Composed of uplifted volcanic rocks from the Clear Lake Volcanic Field, it is one of the few mountains in the San Francisco Bay Area to receive any snowfall during the winter.