36.47 N, 138.88 E
summit elevation 1449 m
Haruna volcano is located in central Honshu, 110 km NW of Tokyo.
The volcano contains a small caldera, post caldera cone (Haruna Fuji), and lake Haruna. The most recent eruptions were from Futatsu-dake lava dome in the east.
~550 AD, 520, 450