Holocene geohazard events on the southern Izu Peninsula, central Japan

Akihisa Kitamura, Yoko Ohashi, Hidemi Ishibashi, Yosuke Miyairi, Yusuke Yokoyama, Ryoya Ikuta, Yasuhiro Ito, Masayuki Ikeda, Taketo Shimano

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Faunal compositions and 14C ages of emerged sessile assemblages at four sites in the southern part of Izu Peninsula, central Japan, indicate that co-seismic uplift occurred at 1256-950 BC, AD 1000-1270, AD 1430-1660, and AD 1506-1815. The data suggest that the stress field in the southern part of Izu Peninsula changed to its current north-south compression at ca. 3100 BP, and that the recurrence intervals for uplift-inducing earthquakes have become shorter during the last 1000 years. The main faults responsible for this seismicity appear to be located offshore from the south part of Izu Peninsula. This study also examined a 1-cm-thick scoria layer deposited between 6940 and 6810 cal BP in the south part of Izu Peninsula. The layer, which had not been previously examined petrographically, consists of scoria grains derived from Izu-Oshima volcano located 40 km east of the study area, rather than from volcanoes located on Izu Peninsula itself.

Original languageEnglish
Pages (from-to)541-554
Number of pages14
JournalQuaternary International
Volume397
DOIs
Publication statusPublished - Mar 18 2016
Externally publishedYes

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volcano
uplift
Holocene
recurrence interval
stress field
seismicity
compression
earthquake

All Science Journal Classification (ASJC) codes

  • Earth-Surface Processes

Cite this

Kitamura, A., Ohashi, Y., Ishibashi, H., Miyairi, Y., Yokoyama, Y., Ikuta, R., ... Shimano, T. (2016). Holocene geohazard events on the southern Izu Peninsula, central Japan. Quaternary International, 397, 541-554. https://doi.org/10.1016/j.quaint.2015.04.021

Holocene geohazard events on the southern Izu Peninsula, central Japan. / Kitamura, Akihisa; Ohashi, Yoko; Ishibashi, Hidemi; Miyairi, Yosuke; Yokoyama, Yusuke; Ikuta, Ryoya; Ito, Yasuhiro; Ikeda, Masayuki; Shimano, Taketo.

In: Quaternary International, Vol. 397, 18.03.2016, p. 541-554.

Research output: Contribution to journalArticle

Kitamura, A, Ohashi, Y, Ishibashi, H, Miyairi, Y, Yokoyama, Y, Ikuta, R, Ito, Y, Ikeda, M & Shimano, T 2016, 'Holocene geohazard events on the southern Izu Peninsula, central Japan', Quaternary International, vol. 397, pp. 541-554. https://doi.org/10.1016/j.quaint.2015.04.021
Kitamura A, Ohashi Y, Ishibashi H, Miyairi Y, Yokoyama Y, Ikuta R et al. Holocene geohazard events on the southern Izu Peninsula, central Japan. Quaternary International. 2016 Mar 18;397:541-554. https://doi.org/10.1016/j.quaint.2015.04.021
Kitamura, Akihisa ; Ohashi, Yoko ; Ishibashi, Hidemi ; Miyairi, Yosuke ; Yokoyama, Yusuke ; Ikuta, Ryoya ; Ito, Yasuhiro ; Ikeda, Masayuki ; Shimano, Taketo. / Holocene geohazard events on the southern Izu Peninsula, central Japan. In: Quaternary International. 2016 ; Vol. 397. pp. 541-554.
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