From a vantage point on top of the cone 200 feet above mesa, the alignment of the 5-mile-long chain of vents is particularly noticeable. Vulcan is a spatter cone, formed primarily by fire fountains that were active in the central vent and in smaller vents on flanks of the cone.
From a viewpoint atop the cone, 200 feet above mesa, the alignment of the 5-mile-long chain of vents is particularly evident. Vulcan is a spatter cone, primarily formed by fire fountains active in the central vent and smaller vents on the flanks of the cone.