Mt. Azuma is one of 111 active volcanoes in Japan. Since it is active, it is designated as one of the 50 volcanoes in Japan that are for constantly monitoring. It is the only active volcano in Fukushima and has erupted more than once after the Meiji period.
The Japan Meteorological Agency has introduced a volcanic alert level system for active volcanoes, classifying the activity of each volcano into five levels to determine dangerous areas and anti-disaster measures according to the situation.