Natural disasters such as typhoon, heavy rain, drought, or earthquake were also considered unclean impure, and were purified and cleared up through a lustral ceremony such as a ground-breaking ceremony.
台風や大雨、日照り、地震等自然災害も不浄、穢れとされ、地鎮祭など祓えの儀式で清められ治まるとされた。