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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
These are the volcanoes monitored by the California Volcano Observatory, in order of highest to lowest risk assessment. Mt Shasta. According to USGS risk assessment of the volcanoes in CalVO's region, the following volcanoes were ranked "very high threat potential". [4] Mount Shasta in far-northern California, north of Redding
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 (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). It lies at an elevation of 2,070 feet (631 m).
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 ...
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 ...
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.