What is the purpose of the database for active volcanoes in Kyushu Island?

Authors=OKUNO Mitsuru, NISHIZONO Yukihisa, INAKURA Hirohito, TORII Masayuki, KOBAYASHI Tetsuo

Journal/Book_names=Chikyu Monthly

volume=34

number=5

pages=273-276

Publish_year=2012

Publish_Country=JPN

Publisher=Kaiyo Shuppan

Language_of_Text=JA

Language_of_Abs=JA

ISSN=03873498

ID=201221815