"A submarine eruption was reported in 1967 in the southern Kuriles at a location 17.5 km NW of Iturup Island and a depth of 1350 m during which an increase in water temperature and silicic acid concentration was recorded (Gushchenko, 1979). The origin of this phenomenon is uncertain, although a seamount with a depth of 930 m is located nearby at 45.03 N, 147.208 E (Antonov 1991, pers. comm.)."  -Smithsonian Volcano Archive
Back to Top