Article (Scientific journals)
Mt. Fuji Holocene eruption history reconstructed from proximal lake sediments and high-density radiocarbon dating
Obrochta, S. P.; Yokoyama, Y.; Yoshimoto, M. et al.
2018In Quaternary Science Reviews, 200, p. 395-405
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Keywords :
Lakes; Reservoirs (water); Volcanoes; Age modeling; Flank eruptions; High-fidelity; Lacustrine sediments; Lake sediments; Lake waters; Radiocarbon dating; Volcanic eruptions; Sediments; Holocene; Chubu; Honshu; Japan; Mount Fuji
Abstract :
[en] An 8000-year lacustrine sediment record from Lake Motosu (Fuji Five Lakes) records several eruptions, including potentially unreported events, of the active Mt. Fuji volcano, which receives approximately 47 million annual visitors. A high-fidelity age model is constructed from tephra ages and high-density radiocarbon dating of terrestrial macrofossil and bulk organic matter. Variability in lake reservoir age is constrained by modern lake water radiocarbon measurement and reverse calibration of tephra calendar ages. We present more accurate ages for known eruptions, detect a wider distribution of ejecta for several eruptions, including the most recent summit eruption, and potentially identify previously undetected flank eruptions. There are closely spaced scoria-fall layers that may be difficult to differentiate as separate events in land-based surveys. These results demonstrate the utility of lacustrine sediments as powerful tools for understanding characteristics of volcanic eruptions. © 2018 Elsevier Ltd
Disciplines :
Earth sciences & physical geography
Author, co-author :
Obrochta, S. P.;  Akita University Graduate School of International Resource Science, Japan
Yokoyama, Y.;  University of Tokyo Atmosphere and Ocean Research Institute, Japan
Yoshimoto, M.;  Yamanashi Prefectural Government Mount Fuji Research Institute, Japan
Yamamoto, S.;  Yamanashi Prefectural Government Mount Fuji Research Institute, Japan
Miyairi, Y.;  University of Tokyo Atmosphere and Ocean Research Institute, Japan
Nagano, G.;  University of Tokyo Atmosphere and Ocean Research Institute, Japan, Geospatial Information Authority of Japan, Ministry of Land, Infrastructure, Transport, and Tourism, Japan
Nakamura, A.;  Geological Survey of Japan, AIST, Japan
Tsunematsu, K.;  Yamanashi Prefectural Government Mount Fuji Research Institute, Japan, Yamagata University, Faculty of Science, Japan
Lamair, Laura ;  Université de Liège - ULiège > SPHERES
Ferrari-Hubert, Aurelia  ;  Université de Liège - ULiège > Département de géographie > Géomorphologie et Géologie du Quaternaire
Lougheed, B. C.;  Laboratoire des Sciences du Climat et de l'Environnement LSCE/IPSL, CNRS-CEA-UVSQ, Université Paris-Saclay, France
Hokanishi, A.;  University of Tokyo Earthquake Research Institute, Japan
Yasuda, A.;  University of Tokyo Earthquake Research Institute, Japan
Heyvaert, V. M. A.;  Geological Survey of Belgium, Royal Belgian Institute of Natural Sciences, Belgium, Ghent University Department of Geology, Belgium
De Batist, M.;  Ghent University Department of Geology, Belgium
Fujiwara, O.;  Geological Survey of Japan, AIST, Japan
the QuakeRecNankai Team
More authors (7 more) Less
Language :
English
Title :
Mt. Fuji Holocene eruption history reconstructed from proximal lake sediments and high-density radiocarbon dating
Publication date :
2018
Journal title :
Quaternary Science Reviews
ISSN :
0277-3791
eISSN :
1873-457X
Publisher :
Elsevier Ltd
Volume :
200
Pages :
395-405
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
QuakeRecNanakai
Funders :
Institute for Cosmic Ray Research, University of Tokyo, Belgian Federal Science Policy
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