© P. S. Babayanz1, Y. I. Blokh2, V. I. Bondarenko3, V. A. Rashidov4, A. A. Trusov1

1 Aerogeophysica 107140, Moscow, N. Krasnoselskaya Street, 4; e-mail: bab@aerogeophysica.com;
2 Russian State Geological Prospecting University 117873, Moscow, Miklucho-Maklaya Street, 23;
e-mail: yuri_blokh@mail.ru
3 State Nekrasov University of Kostroma, 156000, Kostroma, 1st May Street, e-mail: vbond@list.tu;
4 Institute of Volcanology and Seismology, FED RAS, 683006 Petropavlovsk- Kamchatsky, Piip Blvd., 9,
Fax: (415-22)59130; e-mail: rashidva@kscnet.ru

SIGMA-3D software package of structural interpretation is an effective tool for the automated three-dimensional modeling while studying magnetic anomalies created by underwater volcanoes. With the help of this software package submarine volcanoes Grigorieva, Krylatka, and Yubileiny, located in the Kurile island arc, have been studied.