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Table 5 Compilation of age estimates for the regional tephra layers of this study

From: Integrated tephrostratigraphy and stable isotope stratigraphy in the Japan Sea and East China Sea using IODP Sites U1426, U1427, and U1429, Expedition 346 Asian Monsoon

Name of widespread tephra Abbreviation Age Error Unit Method * References
Kikai-Akahoya K-Ah ca. 6.5   ka BP 14C Okuno et al. 2013
7.7 ± 2 ka TL Nagatomo et al. 2005
Sakurajima-Satsuma Sz-S ca. 12.8   cal ka BP 14C Okuno 2002
13.8 ± 1.3 ka TL Shitaoka et al. 2016
13.4 ± 2 ka TL Shitaoka et al. 2016
Aira-Tanzawa AT 25.12 ± 0.27 ka BP 14C Miyairi et al. 2004
26 ± 4 ka TL Nagatomo et al. 2005
27 ± 5 ka TL Nagatomo et al. 2005
Aso-4 Aso-4 89 ± 7 ka K-Ar Matsumoto 1996
Kikai-Tozurahara K-Tz 98 ± 26 ka FT Danhara 1995
96.7 ± 7.1 ka RTL Miyairi 2007
Ata Ata 100 ± 27 ka FT Danhara 1995
108 ± 3 ka K-Ar Matsumoto and Ui 1997
Sanbe-Kisuki SK 100 ± 20 ka FT Kimura et al. 1999
110 ± 14 ka TL Shitaoka et al. 2009
Aso-3 Aso-3 123 ± 6 ka K-Ar Matsumoto et al. 1991
Ata-Torihama Ata-Th 240 ± 40 ka FT Danhara 1995
Aso-1 Aso-1 266 ± 14 ka K-Ar Matsumoto et al. 1991
Kakuto Kkt 360 ± 80 ka FT Danhara 1995
340 ± 10 ka K-Ar Machida and Arai 2003
Kobayashi-Kasamori Kb-Ks 620 ± 80 ka FT Danhara 1995
Hakkouda-Kokumoto Hkd-Ku ca. 650   ka K-Ar Muraoka 1991
650 ± 160 ka FT Hirosaki City 2001
Shishimuta-Pink Ss-Pink 990 ± 30 ka K-Ar Uto and Suto 1985
1040 ± 50 ka FT Danhara et al. 1994
  1. *14C radiocarbon dating method, TL thermoluminescence dating, FT fission track dating, RTL red thermoluminescence dating, K-Ar Potassium-Argon dating