Ookayama Office
2-12-1 Ookayama, Meguro, Tokyo, 152-8551, Japan
TEL +81-3-5734-2515
FAX +81-3-5734-2492
Kusatsu-Shirane Volcano Observatory
641-36 Kusatsu, Agatsuma, Gunma, 377-1711, Japan
TEL +81-279-88-7715
FAX +81-279-88-7717