The Emperor Daigo regarded this as a serious threat and he issued an Imperial Edict that Michizane be returned to the post of Udaijin (Minister of the Right), Shonii (Senior Second Rank), and rescinded the previous Edict to expel Michizane, however, disasters such as; typhoons, floods and epidemics did not cease, and further a lightning struck the Seiryoden of the Dairi (Imperial Palace) and multiple casualties were caused in July and August 930.
これを受けて醍醐天皇は道真を右大臣に戻し正二位を追贈する詔を発し、道真追放の詔を破棄するが台風・洪水・疫病と災厄は収まらず、延長8年(930年)6月内裏の清涼殿に落雷し複数の死者が出た。