火か山ざん活かつ動どうMeaningsNoun1. volcanic activityKanji used火fire山mountain活activity動movePitch accentかざんかつどうComposed of火か山ざんvolcanoNoun活かつ動どうactivity (of a person, organization, animal, volcano, etc.); action; operationNounExamples1火か山ざん活かつ動どうで地じ面めんが盛もり上あがった。The surface of the earth rose due to the volcanic activity.