The Great Japan Earthquake of 2011 (mag 8.9) and its aftershocks, are capable disrupting volcanoes large distances from the epicentre. Very large eruptions are possible after Great Earthquakes. It is possible for eruptions to occur anytime after the earthquake, and the high risk period will last for several months. Japan has ten percent of the world's active volcanoes. The closest active volcano to the earthquake is Narugo, 150 km WNW of the epicentre. Volcanoes near to the earthquake epicentre include:
Kurikoma (153 km), Zao (170 km), Hijiori (195 km), Azuma (200 km), Adatara (200 km), Iwate (205 km), Akita-Komaga-take (210 km), Bandai (220 km), Chokai (220 km), Hachimantai (223 km), Akita-Yake-yama (228 km), and Nasu (250 km).
Volcanoes of Japan...