Wanless, V Dorsey; Garcia, Michael; Trusdell, F.A.; Rhodes, J M; Norman, Marc; Weis, Dominique; Fornari, D J; Kurz, M D; Guillou, Hervé
A 2002 multibeam sonar survey of Mauna Loa's western flank revealed ten submarine radial vents and three submarine lava flows. Only one submarine radial vent was known previously. The ages of these vents are constrained by eyewitness accounts, geologic relationships, Mn-Fe coatings, and geochemical stratigraphy; they range from 128 years B.P. to possibly 47 ka. Eight of the radial vents produced degassed lavas despite eruption in water depths sufficient to inhibit sulfur degassing. These vents...[Show more]
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