References

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Hoshizumi, H., Uto, K. and Matsumoto, A. ( 1994 ) K-Ar age determination for Unzen volcano - volcanic history of Younger Unzen volcano -. Prog. Abst. Volc. Soc. Japan, 1994, no. 2, p. 93( in Japanese ).
Japan Meteorological Agency ( 1992 ) Volcanic activity of Unzendake Volcano (5). Report of Coordinating Committee for Prediction of Volcanic Eruption, no. 53, p. 32-36 ( in Japanese ).
Kobayashi, T. and Kato, K. ( 1986 ) History of Unzen volcano. Prog. Abst. Volc. Soc. Japan, 1986, no. 2, p. 77 ( in Japanese ).
Kobayashi, T. and Nakada, S. ( 1991 ) 14C ages of pyroclastic flow and avalanche deposits and the history of Unzen. Prog. Abst. Volc. Soc. Japan, 1991, no. 2, p. 140 ( in Japanese ).
Fac. Sci. Kyushu Univ., Earthq. Res. Inst. Univ. Tokyo and Geologist Party of Joint University Research Group ( 1994 ) Geological report of eruption at Unzen Volcano during October 1993-February 1994. Report of Coordinating Committee for Prediction of Volcanic Eruption, no. 58, p. 171-187 ( in Japanese ).
Nakada, S. ( 1993 ) Eruptions at Mt. Fugen ( Unzen Volcano ) and the lava dome growth. Volcanic Disaster of Unzendake, Japan Soc. Soil Mechanics Foundation Engineering, p.15-27 ( in Japanese ).
Nishimura, T. ( 1982 ) Growth of the three peaks of Mt. Unzen, "Fugen-dake, Kunimi-dake and Myoken-dake". Jour. Nagasaki Earth Sci. Assoc., no. 37, p. 13-26 (in Japanese).
Ohta, K. ( 1984 ) Unzen volcano, topography, geology and volcanic activities. 50th Year Commemorative Volume of Unzen as National Park, Nagasaki Prefecture, 98p ( in Japanese ).
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Saito, E., Suto, S., Soya, T., Kazahaya, K., Kawanabe, Y., Hoshizumi, H., Watanabe, K. and Endo, S.( 1993 ) Geodetic monitoring using EDM before and during the 1991-1992 lava extrusion of Fugen-dake, Unzen Volcano, Kyushu, Japan. Bull. Geol. Surv. Japan, vol. 44, p. 639-647 ( in Japanese with English abstract ).
Takarada, S., Kazahaya, K., Kawanabe, Y., Sakaguchi, K., Suto, S., Yamamoto, T., Soya, T. and Unzendake Weather Station ( 1993 ) Volume estimation of 1991-92 eruption of Unzen Volcano, and initiation mechanism of pyroclastic flows on June 3 and June 8, 1991. Bull. Geol. Surv. Japan, vol. 44, p. 11-24 ( in Japanese with English abstract ).
Takashima, I. and Watanabe, K. ( 1994 ) Thermo-luminescence age determination of lava flows / domes and collapsed materials at Unzen volcano, SW Japan. Bull. Volcanol. Soc. Japan, vol. 39, p. 1-12 ( in Japanese with English abstract ).
Tanaka, M. and Nakada, S. ( 1988 ) Geology of eastern part of Unzen Volcano. Sci. Rept., Shimabara Earthq. Volc. Observ., Fac. Sci., Kyushu Univ., no. 14, p. 1-12 ( in Japanese with English abstract ).
Watanabe, K., Hoshizumi, H. and Ikebe, S. ( 1992 ) The eruption of Fugen-dake from November 1990 to May 1991, Unzen Volcano, Japan. Mem. Fac. Educ. Kumamoto Univ. no. 41, p. 47-60 ( in Japanese with English abstract ).
Watanabe, K. Hoshizumi, H. and Itaya, T.（ 1993 ）K-Ar ages of Unzen volcano in Kyushu, Japan -with some aspects of geology of Mayu-yama-. Mem. Fac. Educ. Kumamoto Univ., no. 42, p. 35-41.

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