Age M Volcano-Tephra Stratigraphy 0.221 M4.3 Aira.Sakurajima-1779 25 cm below Lake Suigetsu bottom 1.11 M4 Ata.Kaimon-874? 117 cm below Lake Suigetsu bottom 1.58 M4 Ata.Kaimon-Kofun? 158 cm below Lake Suigetsu bottom 1.78 M4 Beppu.Yufu-Tsukahara? 187 cm below Lake Suigetsu bottom 3.6 Sanbe-Taiheizan 7.330 M8.1 Kikai-Akahoya 2.23 m below Lake Biwa botom 10.743 M6.7 Ulreung-Oki 15 M4 Kan'nabe-Kan'nabe 10-15 cm above Tanzawa 16 M6.0 Sanbe-Ukinuno 17 Daisen-Kagamiganaru 18 Daisen-Misen 22 Daisen-HigashiDaisen 27.84 M5 Daisen-Sasaganaru immediately above Tanzawa; 164 years after Tanzawa (at Suigetsuko) 28.00 M8.3 Aira-Tanzawa MIS3.1; 8.62 m below Lake Biwa botom 33 Daisen-Kamogaoka 37 M6.0 Sanbe-Ikeda 42 M6 Ulreung-Yamato 46 Sanbe-Oda (Un'nan) 50.00 M6.9 Daisen-Kurayoshi 55 M4 Kan'nabe-Kiyotaki 60 M5.1 Daisen-Sekigane 83 M6.2 Daisen-Namadake above Aso-4 87.00 M8.4 Aso-4 29.61 m below Lake Biwa botom 95 M7.5 Kikai-Tozurahara 30.88 m below Lake Biwa botom 103 M6.7 Sanbe-Kisuki immediately below Tozurahara 103 M7 Ata 32.76 m below Lake Biwa botom 103 M4 Kan'nabe-Tada 115 cm below Tanzawa 115 M7 Aso-3 125 M5.7 Daisen-Matsue above MIS5.5 marine 126 M4 Kan'nabe-Mesaka 130 M6 Daisen-Hiruzebara 200 cm below Kisuki 173 M4 Kan'nabe-Buri 100 cm below Tada 216 M4 Kan'nabe-Midori 218 M4 Kan'nabe-Ozukue 160 cm below Tada 234 M4 Kan'nabe-Kamisano 250.0 M7 Ata-Torihama MIS8.2; 86.49 m below Lake Biwa botom 262 M8 Aso-1.0 94.37 m below Lake Biwa botom 335 M6 Suiendani-Handa 101.68 m below Lake Biwa botom 350 M4 Kan'nabe-Takurayama 400 M6 Daisen-?-Kasuri 500 M6 unknown-Shiradoya 540.0 M8 Kobayashi-Sakura MIS13.3 580 M6 unknown-Koromogawa 620 M6 unknown-White 650 M7 Kuju?-Toga 700 M6 unknown-Imakuma 2 710 M4 Kan'nabe-Nishiki 750 M6 unknown-Imakuma 1 780.0 B/M boundary 800 M6 unknown-Biotite 840 M6 unknown-Sayama 870.0 M8 Shishimuta-Azuki 1000 M8 Shishimuta-Pink Jaramio epoch