活動時代と性質 |
噴出物の分類 | 降下軽石火砕流火砕サージスコリア>62.8 cu.km (DRE) |
火山体の分類 | 窟太郎山(SC),北山峰(LC)四方嶺(PC)日和山:溶岩円頂丘(LD)クッタラカルデラ(CA) |
層序 | 約8万年前〜現在[2,5]Kt-8→Kt-7→Kt-6→Kt-5→Kt-4→Kt-Hy→Kt-3(四方嶺)→Kt-TK(窟太郎山)→Kt-2→Kt-1(カルデラ)→日和山 |
年代測定値 | Kt-1 40,190±2,590 [1] 41,200±1,180 [2] 41,600+1,300-1,100 [3]Kt-6 49,200±1,700 [2] 54,600+6,400-1,100 [3] |
引用文献 |
1 | 河内晋平・山崎哲良・宮坂省吾・石井次郎・松井愈・五十嵐八枝子(1982)クッタラ火山地域で測定された2つの14C年代ー日本の第四紀層の14C年代ー(142)地球科学36,170ー173 | Kawachi, S., et al. (1982) Two 14C-ages in Kuttara Volcano, southwestern Hokkaido, Japan., Chikyu Kagaku (Earth Science), 36, 170-173. in Japanese | 423 |
2 | 勝井義雄・横山泉・岡田弘・安孫子勤・武藤晴達(1988)倶多楽(日和山)北海道防災会議,3ー22 | Katsui, Y., et al. (1988) Kuttara (Hiyoriyama), its volcanic geology, history of eruption, present state of activity and prevention of dissasters. Committee for Prevention of Disasters of Hokkaido, Sapporo. in Japanese | 408 |
3 | 胆振団体研究会(1987)クッタラ火山火砕堆積物の14C年代と2つの層準の化石林.地球科学,41,188ー193 | Iburi Coll. Res. Group (1987) 14C ages of pyroclastic deposits from Kuttara Volcano and two petrified forest buried in two stratigraphic horizons, southwestern Hokkaido. Chikyu Kagaku (Earth Science), 41, 188-193. in Japanese | 236 |
4 | 山崎哲良(1993)倶多楽火山の地質と岩石.石井次郎教授追悼論文集,19ー30 | Yamazaki, T. (1993) Geology and petrology of Kuttara Volcano, southwestern Hokkaido, Japan. Prof. J. Ito Memorial volume, 19-30. in Japanese | 1140 |
5 | 山縣耕太郎(1994)支笏およびクッタラ火山のテフロクロノロジー,地学雑誌,103,268ー285 | Yamagata, K. (1994):Tephrochronological study on the Shikotsu and Kuttara Volcanoes in southwestern Hokkaido, Japan. Jour. Geography, 103(3), 268-285. In Japanese with English abstract | |
6 | 寺嶋美穂子(1998)カルデラ火山の発達史ークッタラ火山群の噴火史とマグマ供給系ー,北大博論 | Terashima, M. (1998) The growth history of a caldera volcano -Eruptive hidtory and magma plumbing system in the Kuttara volcanic group- Ph. D thesis, Hokkaido Univ. | 998 |
7 | 森泉美穂子(1998)クッタラ火山群の火山発達史、火山、43、95ー111 | Moriizumi, M. (1998) The Growth History of the Kuttara Volcanic Group, Hokkaido, Japan. Bull. Volcanol. Soc. Japan, 43,95-111. In Japanese. | 590 |