Sunset Crater Volcano is approximately one thousand years old. The last eruption took place sometime between about 1080 and 1150 AD. Sunset Crater, located in north-central Arizona, actually the youngest volcano found on the 130,000-square-mile at Colorado Plateau. The series of volcano eruption reshaped the nearby landscape, persistently changing the lives of human beings, plants, and animals.
It is named for it’s dazzlingly colored scoria deposits on the cone and only one of more than 550 vents of the vast San Francisco volcanic field. The Sunset main crater at the summit of the cone measures approximately 400 feet across, though the base of the cinder cone measures around one mile. Source: CP
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