Mount Aso in Kumamoto Prefecture erupted shortly ... warning against approaching the volcano. The public is advised to be on the alert for huge volcanic rocks and pyroclastic flows within areas ...

Travel through one of the largest calderas in the world at Mt. Aso in Kumamoto Pref. The caldera has fertile ground to sustain crops and livestock.

Mount Aso; Mount Unzendake in Nagasaki Prefecture; Mount Sakurajima in Kagoshima Prefecture; and Mount Kusatsu-Shiranesan in Gunma Prefecture. Hokkaido University’s Usu Volcano Observatory (UVO ...