A kalla 17 raba pyroclastic gudana ya faru a lokacin May 18 fashewa, kuma su aggregate girma ya game 0.05 cubic mil (0.21 km3).The kwarara adibas kasance har yanzu a game da 570 zuwa 790 ° F (300 zuwa 420 ° C) makonni biyu bayan da suka fashe. Sakamakon-ruwa fashewa ciyar da wannan zafi halitta ramuka a arewacin gefe na pyroclastic-gudana adibas, a kudancin bakin Tekun Ruhu, da kuma na sama na Arewa Fork. Wadannan tururi-ruwa adibas ci gaba da faruwa sporadically daga watan Mayu 16, 1981 ko makonni daya daga baya bayan da fashewa. Tambaya: Mene ne ya faru a kalla watanni bayan fashewa, da kuma a kalla a shekara bayan fashewa? Tambaya: Mene ne ya faru a kan fashewa?
wani fan-kamar zane na overlapping zanen gado, harsuna da lobes