Tephra of Japan Age M Volcano-Tephra Stratigraphy 0.010 M3 Unzen-1990 0.014 M3.0 IzuOshima-1986 0.017 M2.9 Miyakejima-1983 0.021 M3.2 Aso-1979 0.023 M3.8 Toya.Usu-1977 0.027 M4.0 Tia Tia-1973 0.027 M2 Nishinoshima-1973 0.030 M1 AkitaKoma-1970 0.038 M3.7 Tokachi-1962 0.038 M2.5 Miyakejima-1962 0.041 M2.5 Kirishima.Shinmoe-1959 0.045 M4.6 Aira.Sakurajima-1955 0.050 M1 IzuOshima-1950 0.054 M2 Aira.Sakurajima-1946 0.056 M3 Toya.ShowaShinzan-1944 0.060 M2.5 Miyakejima-1940 (Hyotan'yama) 0.061 M2.7 KusatsuShirane-15W 1 cm above -14W 0.061 M3 IzuTorishima-1939 0.066 Kikai-1934 (ShowaIwojima lava) 0.067 ShiretokoIwozan-1936 0.067 M4 Kuchinoerabu-1933 0.071 M4.5 Komagatake-a 4 cm above -c1 0.074 M3.0 Tokachi-1926 0.086 M4.5 Aira.Sakurajima-1914 20 cm above -1779 0.090 M3 Toya.Usu-1910 0.091 M2.5 Shikotsu.Tarumai-1909 0.096 M3 FukutokuokanoBa-1904 0.098 M3.0 IzuTorishima-1902 0.102 M2.0 Maruyama-a above Tarumai-a 0.110 ShiretokoIwozan-1890 0.112 M3.4 Bandai-1888 0.116 M1 Suwanose-1884 0.118 M2.7 KusatsuShirane-14W 0.126 M3 Miyakejima-1874 (Yakiba) 0.13 M3 Zao-Togatta 10 0.144 M4.2 Komagatake-c1 3 cm above -d 0.147 M3 Toya.Usu-1853 1 cm above -1822 0.16 M3 Zao-Togatta 9 0.165 M2 Miyakejima-1835 0.178 M3.7 Toya.Usu-1822 2 cm above -b 0.178 M2.6 Kirishima.Shinmoe-1822 0.179 M3.3 IzuOshima-Y0.8 15 cm below present surface 0.19 M3 Zao-Togatta 8 0.199 M2 Chokai-1801 0.2 M1.7 Kuttara.Jigokudani 1 cm above Usu-b 0.2 M3 Rausu-unnamed above Tarumai-a 0.208 M2 Unzen-1792 0.217 M4.5 Asama-A 5 cm below the present surface 0.217 M3.3 Aogashima-1783 0.221 M4.3 Aira.Sakurajima-1779 25 cm below Lake Suigetsu bottom 0.223 M4.2 IzuOshima-Y1.0 4 cm below -Y0.8 0.227 M3.6 NiigataYakeyama-1773 7 cm below the present surface 0.229 M2.7 Kirishima.Shinmoe-1771 0.231 M3.3 Toya.Usu-1769 0.232 Kirishima.Iwoyama lava 0.237 M3 Miyakejima-1763 (Usuki) 0.259 M4 OshimaOshima-1741 0.261 M5.2 Shikotsu.Tarumai-a 0.268 M2 Iwate-Yakebashiri lava 0.284 M4.2 Kirishima.Shinmoe-1716 0.287 M3.7 Suwanose-1813 0.288 M2.5 Miyakejima-1712 0.293 M5.2 Fuji-1707 0.314 M2.5 Iwate-1686 0.316 M4.0 IzuOshima-2.0 10 cm below -Y1.0 0.322 M2.4 AkitaYakeyama-1678 above Towada-A 0.333 M5.4 Shikotsu.Tarumai-b 0.1 cm above Usu-b 0.337 M5.4 Toya.Usu-b 0.337 M1 Unzen-1663 0.338 Kuju-1662 0.35 Tokachi lava (unnamed) 0.35 M3 Zao-Togatta 7 0.351 M2.8 NikkoShirane-1649 15 cm above Ikaho 0.357 M3 Miyakejima-1643 (Koshiki) 40 cm above Mukaiyama 0.360 M5.4 Komagatake-d 0.5 cm below Us-b; 0.7 cm below Tarumai-a 0.36 M2 Shikotsu.Eniwa-Poropinai below Tarumai-a 0.4 M3 Asama-A' 5 cm below -A; 6 cm above -B 0.4 M4.8 Suwanose (recent vulcanian activity) 0.403 M2 Yufuin.Garan-1597 7 cm below Surface; 20 cm above Tsukahara 0.404 M3.7 IzuOshima-Y3.0 7 cm below -Y2.0 0.446 M3.1 Hakusan-1554 0.456 M2.4 Hiuchi-Shirahikemizu 5 cm below surface; 10 cm above Ikaho 0.52 M3 Hachijojima.Nishiyama-10 0.529 M2.9 IzuOshima-Y3.8 10 cm below -Y3.0 0.531 M3.4 Miyakejima-1469 (Oyama) 25 cm above Mukaiyama 0.539 M4.9 Aira.Sakurajima-1471 43 cm above Minamidake 0.554 M4.4 IzuOshima-Y4.0 (Takenohira scoria cone) 2 cm below -Y3.8 0.583 M2.3 IzuOshima-Y4.2 2.5 cm below -Y4.0 0.590 M2 Nasu-1410 2 cm above -1408 0.592 M2 Nasu-1408 12 cm above Ikaho 0.6 M3.3 Kirishima.Ohachi-5 18 cm below Shinmoe-1716 0.639 M3.5 NiigataYakeyama-1361 6 cm below -1773 0.680 M3.9 IzuOshima-Y5.0 11 cm below -Y4.2 0.693 M3.1 IzuOshima-Y5.2 (Motomachi lava) 1 cm blow -Y4.0 0.755 M1.8 IzuOshima-Y5.6 0.79 M4.3 Kirishima.Ohachi-Takahara 15 cm below Ohachi-5 0.8 unknown-unnamed glass between IzuOshima-Y6.0 and -N1.0 0.817 M4.0 IzuOshima-Y6.0 10 cm blow -Y5.2 0.846 M3 Miyakejima-1154 0.892 M5.1 Asama-B 18 cm below -A; 10 cm above Shibukawa 0.943 M4.6 IzuOshima-N1.0 10 cm below -Y6.0 0.97 M5.3 Kutcharo.Mashu-b 3 cm (peat) above Tomakomai 1 Kutcharo-Atosanupuri 1 M2.0 Maruyama-b 1.0 M3.7 Kirishima.Ohachi-Miyasugi 4 cm below Takahara 1.0 M4.9 Aso-Ha 1 M3 Hachijojima.Nishiyama-9 1.00 M2 AkitaKoma-unnamed 0.5 cm above Towada-A 1.001 Fuji-Kenmarubi lava 1.054 M7.4 Baitoushan-Tomakomai 4 cm below Komagatake-d; 7 cm below Usu-b 1.063 Fuji-Takamarubi lava 1.085 M5.7 Towada-A 1.11 M4 Ata.Kaimon-874? 117 cm below Lake Suigetsu bottom 1.112 Yatsugatake-Otsuki debris avalanche 1.113 M4.2 NiigataYakeyama-Hayakawa 1.114 M4.9 Niijima-Mukaiyama 20 cm below present surface 1.115 M4.3 Ata.Kaimon-885 4 cm above 874 1.126 M4.5 Ata.Kaimon-874 40 cm above 1.131 M4.2 IzuOshima-N2.0 15 cm below -N1.0 1.136 M1.9 Fuji-Nagaoyama 8 cm above Ten'jin'yama 1.14 M3 Miyakejima-Miike maar 10 cm below Mukaiyama; 10 cm above Tenjosan 1.15 M3 Zao-Togatta 6 1.160 M3.1 Niijima-Atchiyama 5 cm below Mukaiyama 1.162 M3.6 IzuOshima-N3.0 2.5 cm below -N2.0; intercalates Tenjosan 1.162 M4.8 Kozushima-Tenjosan 6 cm below Mukaiyama 1.162 unknown-unnamed glass between IzuOshima-N3 and -N4 1.178 M3.2 IzuOshima-N3.2 1 cm below -N3.0 1.182 Akagi-Niisato debris avalanche 1.194 M3 Bandai-806 below -1888, above -C 1.200 M2.2 Fuji-Ten'jin'yama 1.2 M2.6 AkitaYakeyama-unnamed below Towada-A 1.212 M3.4 Kirishima.Ohachi-Katazoe 4 cm below Miyasugi 1.229 Yufuin.Tsurumi-771 1.236 M4 Aira.Sakurajima-764 (Nabeyama) 1.287 M4.3 IzuOshima-N4.0 7 cm below -N3.2 1.3 M3 Kikai.SatsumaIwojima-unnamed 1.3 M3.8 Fuji-Futatsuzuka 70 cm below -1707 1.300 M3.3 IzuOshima-N4.2 1 cm below -N4.0 1.325 M4.0 IzuOshima-N4.4 2 cm below -N4.2 1.350 M3.5 IzuOshima-N4.6 2 cm below -N4.4 1.35 M4.3 Zao-Togatta 5 50 cm above Towada-C 1.375 M3.5 IzuOshima-N4.8 2 cm below -N4.6 1.400 M3.9 IzuOshima-S1.0 2 cm below -N4.8 1.425 M3.2 IzuOshima-S1.5 2 cm below -S1.0 1.450 M3.8 IzuOshima-S2.0 (debris avalanche) 2 cm below -S1.5 1.46 M4.9 Haruna.Futatsudake-Ikaho 3 cm above Shibukawa 1.46 M4.1 Rausu-a 1.49 M4.8 Haruna-Shibukawa 15 cm below the present surface 1.5 M3 Kikai.SatsumaIwojima-unnamed 1.5 M3 Hachijojima.Nishiyama-8 1.58 M4.6 Ata.Kaimon-Blue 30 cm above Purple 1.6 M2 Komagatake-e 3 cm below Tomakomai 1.6 M4 IzuOshima-O1 1.65 M4.4 Asama-C 3 cm below Shibukawa 1.7 M3.8 Aso-Komezuka 25 cm below -Ha 1.78 M4 Beppu.Yufu-Tsukahara? 187 cm below Lake Suigetsu bottom 1.8 Kozushima-Kanbeyama and Hanadate 3 cm below Tenjosan 1.8 Fuji-Hinokimarubi 2 lava 1.8 unknown-unnamed glass between IzuOshima-O2 and -O3 1.9 M5.0 Fuji-Yufune 2 60 cm below Futatsuzuka 1.9 IzuOshima-O3 lava 1.9 M4.9 Towada-B 10 cm below -A 1.990 M2 KusatsuShirane-13.9D slightly above -13.8WL 1.999 M3 KusatsuShirane-13.8L 8 cm below -14W 2 M4 Yakedake-Nakao 2 M3.6 NiigataYakeyama 2.000 M2 KusatsuShirane-13.7D immediately below -13.8WL 2 Toya.Usu.Zenkoji debris avalanche 13 cm below Usu-b 2 M4.3 Akan.Meakan-unnamed 2 M4 Kutcharo.Mashu-d 2.0 M3.6 Ata.Kaimon-Purple 80 cm above Yellow 2.0 M3 Miyakejima-HinoyamatogeNW scoria cone 2 M4 Hachijojima.Nishiyama-7/6/5 (Kandoyama) 2.2 M3.5 Rausu-b 2.3 M3 Tokachi.Ground crater 2.4 Fuji-Gotenba debris avalanche 60 cm below Yufune 2 2.4 M5 Aogashima-Ikenosawa 2 2.465 Chokai-Kisakata debris avalanche 2.5 M3 KusatsuShirane-13D 2 cm above -12L 2.5 M2.9 Tateyama.Jigokudani-4 above -3 2.5 M4 IzuOshima-O8/9 (Sadoyama scoria cone) 100 cm below -N4 2.5 M3 Hachijojima.Nishiyama-4 2.57 M4.1 Yufuin.Yufu-Tsukahara 30 cm below Surface; 70 cm above Akahoya 2.6 M2.8 Nasu-Chausu (scoria) above Omaru 2.6 M5.0 Fuji-Zunazawa 5 cm below Gotenba; 18 cm above Kawagodaira 2.7 M3.8 HigashiIzu-Iwanoyama and Iyuzan 7 cm above Kawagodaira 2.8 M4.7 Fuji-Omuro 2.8 M3 Banda-C above -D 2.9 M5 Aogashima-Ikenosawa 1 2.9 Kanpu-unnamed above Tanzawa 3.0 M4 KusatsuShirane-12L (Sessho lava) 10 cm above Kumakura 3 M5.8 Shikotsu.Tarumai-c 17 cm below -b 3 M5 Komagatake-f 20 cm below -e; 7 cm below Tomakomai 3 M3 Kuju.Taisen-Komekubo 45 cm below Surface; 25 cm above Danbaru 3 M5 Aira.Sakurajima-Minamidake 15 cm above -5 3 M4.4 Miyakejima-Igaya 2 (caldera-forming) 60 cm below present surface 3 M3 Hachijojima.Nishiyama-3 (Sokodo) 3.0 M5 unknown-unnamed glass between IzuOshima-O13 and -O15 3 M3 AkitaYakeyama-Tamagawa Onsen 3.14 M4.9 Fuji-Osawa 4 and 10 cm above Kawagodaira (within Hamanako) 3.20 M4.6 HigashiIzu-Kawagodaira 3.2 M4 IzuOshima-O15 3.4 M4.7 Fuji-Sengoku 4 cm below Kawagodaira 3.5 M3 Hachijojima.Nishiyama-2 3.6 Sanbe-Taiheizan 3.7 M5.3 Aso-Hb 40 cm below Komezuka 3.8 M3 Hakone.Kamiyama nuee ardente about 20 cm below Sengoku 3.99 M3 Hachijojima.Nishiyama-1 4 M2.7 Tateyama.Jigokudani-3 above Akahoya 4 Haruna-Ushiikegawa 2 lahar 40 cm above Ushiikegawa 1 4 M5 Ata.Kaimon-Yellow 35 cm above Nabeshima 4 Kirishima.Shinmoe-Maeyama 4 M3 Unzen-Mutsuki nuee aredente 4.0 M4 Hachijojima-Mitsune 7 120 cm below surface 4 M1 HigashiIzu-Yoichizaka 4 Zao-Togatta fan 2 4 M3 Bandai-D above Numazawa 4.1 M5.1 Aso-Hc 8 cm below -Hb 4.1 M4 Hachijojima-Obata immediately below Mitsune 7 4.3 M4 Hachijojima-Mitsune 6 10 cm below Mitsune 7 4.5 M3 Kuju.Taisen-Danbaru 30 cm above -A1 4.6 M5.4 Kirishima.Miike 100 cm below Katazoe; 70 cm above Oji 4.78 M4 Myoko-Otagiri 12 cm above Asama-D 5 M0 Nikko.Mitsudake lava domes below Ikaho; above ShichihonZakura 5 M5 Kirishima.Takachiho-Oji 57 cm above Ushinosune 5 M4 Ata.Nabeshima 5 M4.1 HigashiIzu-Omuroyama 16 cm below Kawagodaira 5 M3.5 Miyakejima-Igaya 1 (caldera-forming) 30 cm below Igaya 2 5 M4.0 Niijima-Wakago 30 cm below Mukaiyama 5.0 M4.6 Fuji-R2 120 cm below Sengoku 5 Iwate.HigashiIwate cone 5.1 unknown-Iwai 5.2 M4.5 Fuji-R1 15 cm below -R2 5.3 Hakone-Futagoyama lava dome 5.60 M3 Asama-D 13 cm above Akakura 5.60 M2.5 KusatsuShirane-Kumakura mixed with Asama-D; 5 cm above Asama-E 5.6 M5.5 Numazawa above Towada-C 5.7 M5 Aira.Sakurajima-5 5.9 M4.7 Aso-Hd 35 cm below -Hc; 30 cm above Akahoya 6.0 M3.7 Washibaike-unnamed 5 cm (peat) above Akahoya 6 M4 Komagatake-g 45 cm below -d 6 Kirishima.Takachiho-Nozomihara 6 M3 Miyakejima-Hinoyamatoge scoria cone 80 cm below HinoyamatogeNW 6 M4 IzuOshima-O21 6.3 M4.0 Takahara.Fujiyama below Ikaho 6.3 M4 Hachijojima-Mitsune 5 60 cm below Mitsune 6 6.30 M5.8 Towada-C (Chuseri) 5 cm above Akahoya 6.31 M3 Azuma.Kofuji immediately below Towada-C 6.50 M4 Myoko-Akakura 3 cm above Asama-E 6.5 M4.8 Aira.Sakurajima-7 6.5 M4 Kuju.Taisen-A1 7 cm above Akahoya 6.5 M4 IzuOshima-O28 (unnamed scoria cone) 200 cm below Sadoyama 6.6 Nasu-Omaru ignimbrite 6.6 M5.7 Ata.Ikeda 7 cm above Akahoya 6.81 M3.7 Asama-E 15 cm above Akahoya 7 M4 Hachijojima-Miharataki 18 cm below Mitsune 5 7 M4 IzuOshima-O35 7 M3 Towada-D' above -D 7 Bandai-E below Numazawa; above Akahani cone 7.2 M3 Yufuin.Garan-unnamed 1 cm above Akahoya 7.330 M8.1 Kikai-Akahoya between IzuOshima-O39 and -O40 7.40 Kikai-Nagahama lava 7.4 M4 IzuOshima-O40 7.5 M5 Kirishima.Takachiho-Ushinosune intercalates Akahoya 7.5 M4.2 Niijima-Niijimayama 20 cm below Wakago 7.7 M4 Hachijojima-Hachimanyama 20 cm below Akahoya; between Mitsune 5 and 4 7.9 M6.4 Kutcharo.Mashu-f/g/h/i/j 8 M2 Tateyama.Jigokudani-2 below Akahoya 8 M4 Aira.Yonemaru maar below Akahoya 8 M3 Aira.Sumiyoshiike maar 8 M3.9 Miyakejima-Ofunatowan maar 60 cm below Igaya 1 8 M4 IzuOshima-O41 (debris avalanche) 8 M4.3 Towada-D 21 cm below -C 8 AkitaKoma-Horikiri 8.1 M5.1 Aso-He 15 cm below Akahoya 8.1 unknown-unnamed glass between IzuOshima-O41 and -O43 8.5 M4 IzuOshima-O47 8.7 M4.4 Norikura-Kuraigahara 63 cm below surface; 15 below Akahoya 8.9 M4 IzuOshima-O50 9 M2 Tateyama-Jigokudani 1 below Jigokudani 2 9 M3 KusatsuShirane-9L below Kumakura; above -8L 9 M5.6 Shikotsu.Tarumai-d 35cm below -c 9 M5.0 Aira.Sakurajima-11 9 M5 Kirishima.Takachiho-Kamamuta 20 cm below Ushiosune 9 Toshima-Kajiana and Miana lavas 9.3 M4.7 Aso-Hf 25 cm below -He 9.3 M4 IzuOshima-O53 9.5 M3 Miyakejima-Okubo scoria cone 25 cm below Ofunatowan 9.5 M4 IzuOshima-O54 35 cm above -O55 9.5 M5.1 Towada-E 15 cm below -D 9.8 M5.2 Aso-Hg 10 cm below -Hf 10 Myoko-Taguchi debris avalanche 10 M3 Shiga.Shigayama 10 cm below Akahoya; above Hirahara (YPk) 10 M0 Haruna.Mizusawa lava dome 80 cm below Shibukawa 10 M4 Kutcharo.Mashu-k 15 cm below -j 10 Taisetsu.Mikurazawa lava unglaciated 10 Kirishima.Shinmoe-Setao above Satsuma 10 M3.7 Niijima-Hanshima? 15 cm below Niijimayama 10.1 M4 IzuOshima-O55 10.3 M4.4 Aso-Hh 10 cm below -Hg 10.4 M4.1 Niijima-Shikinejima 50 cm below Tenjosan; 20 cm below Hanshima? 10.5 M4 IzuOshima-O58 10.743 M6.7 Ulreung-Oki 10.8 M4.0 Aso-Hi 10 cm below -Hh 11 Haruna-Ushiikegawa 1 lahar 25 cm above Hirahara (YP) 11 M3 KusatsuShirane-8L above 7L 11 M3 Yufuin-Oninomi 70 cm below Akahoya 11 M3 Miyakejima-MiyakeShicho 35 cm below Okubo 11 unknown-unnamed glass between IzuOshima-O59 and -O60 11.3 M4 IzuOshima-O61 11.4 M4 Hachijojima-Mitsune4 100 cm below Miharataki 11.5 (IzuOshima great unconformity) around -O62; Younger Dryas? 11.5 M5.5 Hijiori-Obanazawa 12 M5.9 Aira.Sakurajima-satsuma 25 cm below Ushinosune 12 M4.2 Hachijojima-HigashiHakuunzan 40 cm below Mitsune 4 12 M3.2 HigashiIzu-Akakubo 40 cm below Omuroyama; 35 cm above Sekiguchi 12 Fuji-Mishima lava 170 cm below -R1 12 M5.0 Towada-F 25 cm below -E 12 M4.4 AkitaKoma-Yanagisawa 13 Takasaki lahar 25 cm above Hirahara (YP) 13 M5.6 Kutcharo.Mashu-l 30 cm below -k 13 M4 Aira-Moeshima ignimbrite 13 M3.4 HigashiIzu-Komuroyama 50 cm below Omuroyama; 100 cm above Tanzawa 13 M4 Hachijojima-Mitsune 3 30 cm below HigashiHakuunzan 13 M4.4 Towada-G 13 M4.8 AkitaKoma-Koiwai 13.2 M4 Hachijojima-Mitsune 2 7 cm below Mitsune 3 13.5 M3 KusatsuShirane-7L above Hirahara (YPk) 14 M4 Asama-Soja 15 cm above Hirahara (YP) 14 M6.3 Nigorikawa 70cm below Komagatake-f 14 M4.2 Niijima-Miyazukayama 35 cm below Shikinejima 14 M5.8 Towada-Ninokura 14.5 M4 Hachijojima-Mitsune 50 cm below Mitsune 2 14.5 M4 IzuOshima-O64 14.9 M5.6 Nikko.Nantai-ShichihonZakura/Imaichi 10 cm above Hirahara (UG) 15 Norikura.Kengamine cone 70 cm below Kuraigahara 15 M4 Kan'nabe-Kan'nabe 10-15 cm above Tanzawa 15 M4 Hachijojima-Loran 20 cm below Mitsune 1 15 M6.7 Towada-L (Hachinohe) MIS2.2; 77 cm above -M 15.9 M6.0 Asama-Hirahara (YPk/YP, UG) 16 M6.0 Sanbe-Fuppu 16 M5.2 Kirishima.Karakuni-Kobayashi below Satsuma 17 M4 KusatsuShirane-5.8L 10 cm below Hirahara (YPk) 17 M4 Nikko.Nantai-Kutsukake 1 below Imaichi; above Kutsukake 2 17 Akagi-Nakahara debris avalanche 65 cm above Shiraito 17 Daisen-Kagamiganaru 17 M5 Komagatake-h1 30 cm below Nigorikawa 17 M5.3 Yotei-1 17.0 M5 unknown-unnamed ash between IzuOshima-O72 and -O73 17 M4.1 HigashiIzu-Hachikuboyama and Maruyama 100 cm below Kawagodaira 17 M4.6 Niijima-Akasakinomine 17 M4 Hachijojima-Karatakigawa 150 cm below Hachimanyama 17.1 M4 IzuOshima-O73 17.7 unknown-unnamed glass between IzuOshima-O75 and -O76 18 Daisen-Misen 18 Aira.Sakurajima-17 18 M4 Hachijojima-NakonoHana scoria cone 18.5 M4 IzuOshima-O81 18.6 M5 Asama-Okubozawa 2 10 cm above Okubozawa 1; 30 cm below Hirahara (YP) 19 Nasu-Osawa ignimbrite 19 M4 Nikko.Nantai-Kutsukake 2 above Kutsukake 3 19 M4 KusatsuShirane-5.6L 25 cm below 5.8L; 75 cm above Itahana 19 M6.0 Shikotsu.Eniwa-a 30 cm below Tarumai-d; 80 cm above Shikotsu-1 19 M4 Unzen-Kureishibaru nuee ardente 19 M4.0 HigashiIzu-Sekiguchi and Inatori 110 cm below surface; 120 above Hachinoyama 19.0 M4 IzuOshima-O82 19.5 M4 IzuOshima-O84 19.6 M5 Asama-Okubozawa 1 30 cm above Kumoba 19.8 M5 Hachijojima-Nakanogo scoria 5 cm above unnamed dacite 19.9 unknown-unnamed glass between IzuOshima-O85 and -O86 20 M3.7 Shiga.Hachiyama scoria cone below Hirahara (YPk) 20 M5.6 Rishiri-Wankonosawa 20.0 M4 IzuOshima-O86 20.0 M5 unknown-unnamed dacite intercalated between Nakanogo 20 Fuji-Kofuji hot lahar 21 M4 Nikko.Nantai-Kutsukake 3 above Kutsukake 4 21 Haruna.Soma-Jinba debris avalanche between Hirahara (YP) and Shiraito 21 M5.3 Asama.Koasama-Shiraito 50 cm below Hirahara (YP); 25 cm above Itahana 3 21 M4 Kirishima.Karakuni-Karakuni below Kobayashi 21 M3.9 HigashiIzu-Hachigakubo and BabanoTaira 80 cm below Komuroyama; 290 cm above Tokyo 22 M4 Nikko.Nantai-Kutsukake 4 above Ogawa 22 Daisen-HigashiDaisen 22 M4 Hachijojima-Kamikoo above Sueyoshi 22 M5 unknown-unnamed glass between IzuOshima-O92 and -O93 22 M5.8 Towada-M 62 cm above Tanzawa 22.5 M4 IzuOshima-O93 22.6 M4 Asama.Hanareyama-Kumoba 7 cm below Shiraito; 7cm above Itahana 3 23 M3.7 Nasu-Oshima 1 30 cm below Osawa ignimbrite 23 M4.9 Nikko.Nantai-Ogawa 100 cm below Imaichi; 110 cm above Kanuma 23 M4 Nikko.Nantai-Oshima 2 5 cm below Oshima; 45 cm above Tazawa 23 M4 IzuOshima-Oj95 23 M4.3 Zao-Togatta 4 45 cm above Tanzawa 23.3 M5.0 Asama-Itahana 3 10 cm above Itahana 2 24.3 M5.3 Asama-Itahana 2 (Tsukahara) 7 cm above Itahana 1 25.0 M5.5 Asama-Itahana 1 15 cm above Itahana 0 25 Kutcharo.Nakajima-Toyozumi 25 M4.5 Kozushima-Takodoyama and MatsuyamaBana 15 cm above Tanzawa 25 M1.3 HigashiIzu-NoborioS about 70 cm below Kawagodaira 25 M3.8 HigashiIzu-Jizodo 110 cm below Omuroyama; 15 cm above Tanzawa 25 M3.7 San'nomegata immediately above Tanzawa 26.0 M4.5 Asama-Itahana 0.5 10 cm below Itahana 1; above Itahana 0 26 M4.3 Niijima-Mineji 26.5 M5.2 Asama-Itahana 0 15 cm above Tanzawa 27 M5.5 Kutcharo.Nishibetsu-HigashiKayano 110 cm above Yambetsu 27 Fuji-Sagamino 1 immediately above Tanzawa 27.84 M5 Daisen-Sasaganaru immediately above Tanzawa; 164 years after Tanzawa (at Suigetsuko) 27.9 M6 unknown-unnamed rhyolite between Nakanogo and Sueyoshi 28.00 M8.3 Aira-Tanzawa MIS3.1 28 M5.2 Shikotsu.Eniwa-b 28.0 M6 Hachijojima-Sueyoshi intercalates Tanzawa 30 Akagi-Nishikubo debris avalanche between Itahana and Kanuma 30 M4.6 Myoko-Kan'noki 16 cm below surface; 65 cm above Sekiyama 30 M4.7 Yatsugatake.Tateshina.Yokodake-4 20 cm below Tanzawa 30 M5.3 Yotei-3 above Shikotsu-1 30 M5.8 Kutcharo.Nishibetsu-Tokotan 1 30 M6.7 Towada-N 16 cm below Tanzawa 31 M4 Haruna-Katsuhozawa 35 cm below tanzawa; 80 cm above Hassaki 31 M4 Kozushima-Chichibuyama 15 cm below Tanzawa 31 M3.7 HigashiIzu-Kokuzange 70 cm below Jizodo 32 M6 Taisetsu-SoUnkyo stratigraphy with Shikotsu-1 is unknown 32 unknown-Bekkai between Tokotan 1 and 2 33 M5.7 Akagi-Kanuma 70 cm above Hassaki 33 Daisen-Kamogaoka 33 Aira-Aoshiki below Ito 33 M5.5 Aso-Kusasenri 63 cm below Tanzawa 33 Iwaki.NishiIwate-Takizawa 34 M5.8 Kutcharo.Nishibetsu-Tokotan 2 35 Komagatake-h2 35 M3.0 HigashiIzu-Chikubo 85 cm below Tanzawa 35.5 M4 Fuji-Susono 2 300 cm below surface; 15 cm above Susono 1 36 Kutcharo-Koshimizu 1 36 M4.4 Zao-Togatta 3 70 cm below Tanzawa 36.99 M4 Fuji-Susono 1 200 cm above Hakone-CC4 37 M4.4 Aira-Arasaki 37 Kirishima.Hinamori debris avalanche below Tanzawa 37 M6.0 Sanbe-Ikeda immediately below Susono 1 37.3 M4.2 Myoko-Sekiyama 3 cm above Kanemata 37.6 M3.9 Myoko-Kanemata 20 cm above Rokugatsu 38 M5.9 Kutcharo.Nishibetsu-Tokotan 3 38 M5 Ata.Onodake?-Karayama 80 cm below Tanzawa (Osumi) 38 M4.4 HigashiIzu-Hachinoyama 120 cm below Sekiguchi 39 M2 HigashiIzu-unnamed 1 39.9 M3 Kurohime-Rokugatsu nuee ardente 65 cm above Odaira 39.99 M6.1 Kutcharo.Nishibetsu-Yambetsu immediately above Kutcharo-1 40.00 M7 Kutcharo-1 MIS3.2, 5 cm above Shikotsu-1 40 Taisetsu-Obako 1 40 M5.9 Aira-Fukaminato 40 M5.1 Iwate-Yukiura 40 M5 Bandai-Hayama 1/Okinajima DA 100 cm above Kurayoshi 40 M4 Adatara-Nihonmatsu 1 40 cm above Nihonmatsu 2 41 M7.2 Shikotsu-1 MIS3.2 41 M5.5 Towada-O 126 cm below -N 42 M5.2 Haruna-Hassaki (Murota ignimbrite) 40 cm above Yunokuchi 42 Nasu.Ofujiyama debris avalanche between Tanzawa and Oshima 4 42 M3 Nasu-Oshima 3 280 cm below Oshima 2 42 M6 Ulreung-Yamato 42 M6.2 Kuttara-1 10 cm below Shikotsu-1 42 Kutcharo-Koshimizu 2 42 M5.5 Towada-P 13 cm below -O 42 M4.6 Zao-Togatta 2 (Kawasaki) 40 cm below Togatta 3 42.5 M4.6 Hakone-CC4 30 cm above Susono 0 43 M4.0 Nasu-Oshima 4 15 cm below Oshima3; 50 cm above Namegawa 43 M5.3 Aira-Otsuka 43 M4 Hakone-CC3 43 M6.1 Towada-Q 15 cm below -P; 140 cm above -U 44 M4 Fuji-Susono 0 100 cm above Tokyo 45 M5.4 Akagi-Yunokuchi 18 cm above Namegawa 1 45 M4 Hakone-CC2 45 M4 Adatara-Nihonmatsu 2 30 cm above Kurayoshi 46 Sanbe-Oda (Un'nan) 47 M5.1 Akagi-Namegawa 1 10 cm above Namegawa 2 47 M5.1 Hakone-CC1 above Sanshokuki 47.00 M4.2 Zao-Togatta 1 45 cm below Togatta 2 47.01 Zao-Togatta fan 1 immediately below Togatta 1 47.2 M4.5 Kurohime-Odaira 25 cm above Kurayoshi 48 M5 Asama.Ikenotaira?-Mine 45 cm below Yunokuchi; 20 above Kurayoshi 48 M5.3 Akagi-Namekawa 2 10 cm above Kurayoshi 48 M4 Toya.Donkoroyama 120 cm below Usu-b; 30 cm above Ohara 49.85 Ontake-Kisogawa debris avalanche above Kurayoshi 50 Norikura.Yotudake lava dome 50.00 M6.9 Daisen-Kurayoshi 50 M5.5 Toya-Osarugawa 32 cm above Kuttara-2; below Shikotsu-1 50 M6 unknown-Rakko 2 40 cm below Rakko 1 50 Kutcharo-Koshimizu 3 50 Taisetsu-Obako 2 50 M5.1 Hakone-Sanshokuki above Tokyo 50 M5.2 Towada-SP 52 M6.1 Hakone-Tokyo 13 cm below Kurayoshi 52 M6 Kirishima.Hinamori-Awaokoshi 52 M6.1 Hakone-Tokyo 5 cm below Kurayoshi 53 M6.6 Zenigame-Menagawa 100 cm below Shikotsu-1 53.5 M4 Toya.Nakajima-Ohara 5 cm above Kuttara-2; immediately below Menagawa 54.9 M5.3 Akagi-Mizunuma 1 54 cm below Namegawa 2 55.0 M5 Asama.Kagonoto-Nakanojo 4 60 cm below Kurayoshi; immediately below Mizunuma 1 55 M4 Kan'nabe-Kiyotaki 55 M6.0 Kuttara-2 55 M2.8 HigashiIzu-Numanokawa 55 M5.5 Numazawa-Kaneyama 15 cm below Kurayoshi; 92 cm above Aso-4 56 M5 Hakone-Miura 70 cm below Tokyo 56 M3.9 HigashiIzu-Joboshi 50 cm below Tokyo 57 M3 Nasu-Kuromori 55 cm below Kurayoshi 57 M5.8 Kuju-1 130 cm above Aso-4 57 M4 Adatara-Nihonmatsu 3 below Kurayoshi; above Asa-4 58 M4.9 Akagi-Mizunuma 2 32 cm below Mizunuma1 58 M5 Kuttara-Takeura between Kuttara-2 and -3 58 M5 (Shikotsu-3) 75 cm below Kuttara-1; 30 cm below Menagawa 58.1 M6.2 Kuttara-3 3 cm above Hayakita 58.3 M5 Shikotsu-5 1 cm below -4 58.5 M5 Kuttara-Hayakita 1 cm below Shikotsu-5 60 M5 Asama.Kagonoto-Nakanojo 3 35 cm below Nakanojo 4 60 M3.8 Akagi-Mizunuma 3 12 cm below Mizunuma 2; 87 cm above Mizunuma 4 60 M3 Myoko-Matsugamine nuee ardentes 50 cm below Kurayoshi 60 M5.1 Daisen-Sekigane 60 M5 Shikotsu-6 3 cm below Hayakita 60 M5.7 Kirishima.Onami-Iwaokoshi 130 cm above Aso-4 60 M5 Ata-Hananoki 120 cm below Karayama 60 M5.3 Towada-Okoshi 60 Bandai-Kijikozawa debris avalanche 60.1 M6.5 Shikotsu-7/8/9/10 immediately below -6; 100 cm above Kuttara-6 61 M5 Hakone-Anjin 80 cm below Miura 62 M5 Kuttara-4 10 cm below Hayakita 65 Ontake-Yashikino between Sekigane ad Mitake 65 M4 Asama.Kagonoto-Nakanojo 2 30 cm below Nakanojo 3 65 M6.2 Aira-Iwato ignimbrite 66 M2 HigashiIzu-unnamed 2 70 M4 Akagi-Nagai 2 nuee ardente 300 cm below Hassaki 70 KIkai-Tane 2 70 Kozushima-Menbo lava 70 M5.3 Towada-QP 70 M5.4 Akagi-Okkai 10 cm above Hayamawa 2 70 M4.2 Ichinomegata below Tanzawa 72 M5.7 Ontake-4 30 cm above SenbonMatsu 72 M3.7 HigashiIzu-Oike and Koike 200 cm below Hachinoyama 72 M5.0 Yakeishi-Yamagata immediately above Murasakino 72 M5.4 Yakeishi-Murasakino above Aso-4 75 M5.4 Tateyama-E 60 cm below Matsugamine; 110 cm above -D 75 M5 Bandai-Hayama 2 12 cm above Nagawa 75 Iwaki?-Fukaura 76 M4 Kurohime.Isemiyama cone 10 cm below Tateyama-E 76 M5 Ontake-SenbonMatsu 70 cm above -3 78 M5.4 Fuji-Yoshioka 200 cm below Anjin; 25 cm above Obaradai 80 M5 Akagi-Mizunuma 4 87 cm below Mizunuma 3; 70 cm below Mine 80 M4 Akagi-Nagai 1 nuee ardente 30 cm below Nagai 2; 110 cm above Ontake-1 80 M5.7 Hakone-Obaradai 240 cm above Ontake 1 80 M2.7 HigashiIzu-Uchino 80 M6.0 Narugo-Yanagisawa 80 M5 Towada-T17 82 M5 Ontake-3 45 cm above Ina 83 M5.3 Ontake-Nagawa 70 cm below Tateyama-E; 40 cm above Katamachi; 5 cm above HigashiAkata 83 M6 Rakko 3 21 cm above -4 83 M5 Kuttara-5 18 cm above -6 83 M6 Daisen-Namadake below Obaradai; 500 cm (conglomerate) above Aso-4 84 M5.6 Towada-Kawaguchi 20 cm above Aso-4 85 M5 Akagi-Mizunuma 5 30 cm below Mizunuma 4 85 M5 Rishiri-Kabutouma 2 immediately above Aso-4 85.6 M5.1 Nikko-HigashiAkata 1 5 cm below Nagawa; 10 cm above HigashiAkata 2 86 M6.2 Kuttara-6 5 cm above Aso-4 86 M2 HigashiIzu-unnamed 3 86.9 M5.1 Nikko-HIgashiAkata 2 1 cm above Aso-4 86.9 M7 Kutcharo-2/3 MIS5.2; 0.7 cm above Aso-4 87.00 M8.4 Aso-4 MIS5.2; betwee Towada-T17 and -Aosuji 88 M6 Kuttara-7 10 cm below -6 88 M4.6 Hakone-Da5 200 cm below Tokyo; 40 above Tozurahara 89 Ontake-Otaki 89 M5 unknown-Shari 12 cm below Aso-4 89 M2.9 HigashiIzu-Funabara 90 Ontake.Younger edifice 90 M6.5 Aira-Fukuyama 100 cm below Hananoki; 50 cm above Tozurahara 91 M6 unknown-Tozurahara 3 250 cm (conglomerate) above Ina 93 M6.0 Ontake-Ina 16 cm above Tozurahara 93 M4 Aso-Y 40 cm below -4 93 M5.7 Towada-Aosuji 78 cm above Kasutera 94 M5.8 Ontake-Katamachi 30 cm above -1; immediately above Tozurahara 94 M2.8 HigashiIzu-Takamuroyama 50 cm below Hakone-Da5 95 Hakusan.older edifice 95 M7.5 Kikai-Tozurahara 110 cm below Mizunuma 4; 20 cm above Ontake-2 95 unknown-Matsumae 95 M6 Kukttara-8 below Aso-4 95.1 M4 Asama.Kagonoto-Nakanojo 1 90 cm below Nakanojo 2; 1 cm below Tozurahara 96.0 unknown-Kitahara between Aso-4 and Ontake-1 96.5 unknown-Atago immediately below Kitahara 97 Ontake-2 17 cm above Ontake-1 99 M6.6 Ontake-1 100 cm below Aso-4 99 M6 Ata-Tashiro 99 M5.6 Towada-Kasutera 76 cm above Toya 100 M5 Rishiri-Kabutonuma 1 100 unknown-Atsuma 1 100 M5.9 Aso-A/B/C/D 60 cm below -Y; 15 cm above Ata 100 M4 Hakone-KmP12 8 cm above -KmP11 100 M5.9 Narugo-Nisaka 100 M3 Ninomegata 101 M4 Hakone-KmP11 11 cm above -KmP10 102 M5 Hakone-KmP10 10 cm above -KmP9 103 M7 Ata MIS5.4 103 M6.7 Sanbe-Kisuki immediately below Tozurahara 103 M4 Kan'nabe-Tada 115 cm below Tanzawa 103.0 M7 Ata MIS5.4; between Hakone-KmP10 and -KmP9 103.5 M6 Hakone-Da4 2 cm below Ontake 1 103.5 M4 Hakone-KmP9 10 cm above -KmP8 103.5 M4.8 HigashiIzu-Ippekiko intercalates Hakone-Da4 104.0 M4 Hakone-KmP8 10 cm above -KmP7 105 M7.4 Toya MIS5.4 105.0 M5.6 Hakone-KmP7 9 cm above -KmP6 105.5 M5 Hakone-KmP6 28 cm above -KmP5 105.5 M4.9 Towada-Zarame 2 6 cm below Toya 107.5 M4.2 HigashiIzu-Marunoyama 20 cm below Hakone-Da4 108.0 M4 Hakone-KmP5 above -KmP4 109 M4 Ashitaka-Ohito Brown 175 cm below Hakone-Da4 109.0 M4 Hakone-KmP4 above -KmP3 109.5 M5 Hakone-KmP3 6 cm above -KmP2 110 M5 Rishiri-Acharu 110 M6.0 Ata-Maimine 110 Kuju-ShimoSakata 110 M5 Aso-K 25 cm below Ata 110 M5 Hakone-KmP2 9 cm above -KmP1 110 M6.0 Adachi-Medeshima 50 cm below Aso-4 110 M5 Towada-Zarame 1 111 M5 Hakone-KmP1 70 cm above -KlP13 115 M7 Aso-3 1 m (sand) below Ontake-1 115 M6 Hakkoda?-Ottomo 90 cm below Toya 117.0 M7.4 Kutcharo-4 MIS5.5 117 M5.4 Hakone-KlP13 59 cm above -KlP12 117.1 M6 unknown-Pink 0.5 cm below Kuttara-4 120 Ontake-Kamitaru 52 cm below -1 120 unknown-Atsuma 4 immediately above Hayakita formation of MIS5.5 120 unknown-Osarugawa above KamiNagawa formation 120 Ata-Yagoshi below Ata 121 M4.7 Aso-U 20 cm below -3 121 M4 Ashitaka-Idenawa 2 beteween Hakone-KlP13 and -KlP12 122 Hakone-KlP12 17 cm above -KlP11 123 Ashitaka-Idenawa 1 between Hakone-KlP12 and -KlP11 124 M5 Hakone-KlP11 13 cm above -KlP10 125 M5.7 Daisen-Matsue above MIS5.5 marine 125 M5 Hakone-KlP10 11 cm above -KlP9 125 M6 Hakkoda?-Katchi 80 cm below Ottomo; 50 cm above MIS5 marine 126 M4 Kan'nabe-Mesaka 126 M5 Hakone-KlP9 12 cm above -KlP8 127 M5.3 Akagi-Mizunuma 6 5 cm below Ontake-1; 15 cm above Tateyama-D; 84 cm below Mizunuma 5 127 M5 Hakone-KlP8 20 cm above -KlP7 127.1 M5.6 Nikko-Mamiana immediately below Mizunuma 6 128 M5.8 Hakone-KlP7 10 cm above -KlP6 129 M5 Hakone-KlP6 42 cm above -KlP4 129 M3.8 HigashiIzu-Hinata 10 cm below Hakone-Da1; 10 cm above Hakone-KlP 130 M6.0 Tateyama-D 40 cm below Ontake-1 130 Asama.Takatsuya lava 130 M6 Daisen-Hiruzebara 200 cm below Kisuki 130 M6.0 Aso-P/Q 30 cm below -U 130 M5.4 Narugo-Ichihazama below Toya 131 Myoko-Hanabusa (Shibuegawa ignimbrite) immediately below Tateyama-D 131 Hakone-KlP5 132 M5 unknown-Ohito Blue 132 M4.8 HigashiIzu-Takatsukayama and Sukumoyama 132.9 M4.9 Nikko-Ogikubo 20 cm below Mamiana 133 M4 Akagi-Mizunuma 7 immediately below Ogikubo 133 M5.0 Aso-R 10 cm below -Q 134 M5 Hakone-KlP3 45 cm above -KlP2 137 M4 Hakone-KlP2 15 cm above -KlP1 138 M4 Hakone-KlP1 300 cm above -TAm5 140 M4 Akagi-Mizunuma 8a 30 cm below Mizunuma 7 140 Nasu.Futamata lava 140 Kutcharo-5 ignimbrite 140 Kuju-Miyagi ignimbrite between Aso-R and -S 142.5 M4.1 HigashiIzu-Togasayama 35 cm below Hakone-KlP4 143 M5.6 Aso-S 70 cm below -R 147 M5.1 Akagi-Mizunuma 9/10 35 cm below Mizunuma 8a 150 M5.4 Yatsugatake-Kawakami about 100 cm below Tateyama-D 150 M5 Akagi-Fujimi 220 cm below Ontake-1 150 M6.5 Aso-2 30 cm below -S 150 M5 Hakone-TAu12 150 M5.2 Adatara-Dake 150 unknown-Iwadeyama below Ichihazama 155 M4 Nikko-Yumihari 1 below Mizunuma 9/10; below Yumihari 2 158 M4 Nikko-Yumihari 2 above Yumihari 3 160 Akan-upper ignimbrite 160 M5 Hakone-TAu2 163 M4 Nikko-Yumihari 3 above Yumihari 4 163 M4 unknoen-TAu1 165 M5 Hakone-TAm7 168 M4 Nikko-Yumihari 4 above Yumihari 5 170 M5 Akagi-Omama ignimbrite 160 cm below Mizunuma 6 170 M5 Hakone-TAm6 100 cm above -TAm5 170 unknown-Magarizaka below Iwadeyama 173 M4 Northern Kanto-Yumihari 5 20 cm above Sotome 173 M4 Kan'nabe-Buri 100 cm below Tada 176 M5 Numazawa-Shibahara between Yumihari 5 and Sotome 178 M6.2 Hakone-TAm5 38 cm above -TAm4 180 Akagi-Ishiyama debris avalanche 50 cm below Omama 180 Akagi-Tachibanayama debris avalanche below Hassaki; probably below Karasawa 180 M5.3 Nikko-Sotome 181 M6 Hakone-TAm4 185 M6.0 Hakone-TAm1 187 M4.7 Nikko-Yumihari 6 20 cm below Sotome 189 Numata conglomerate damed up by Tanashita ignimbrite 190 M5 Akagi-Tsukuda ignimbrite 200 cm below Fujimi 190 Akan-middle ignimbrite 190 M6 Hakone-TB13 190 unknown-Nakazato 3 below Magarizaka 195 Takayashiro 197 M4.8 Takahara-Shikabatake 30 cm below Yumihari 200 Iizuna-Kamitaru 200 M5 unknown-Ishizuhara between Tateyama-D and Karasawa 200 M4 Imuta below Tanzawa (Ito) 204 M5.4 Takahara-KitaAkata 20 cm below Shikabatake 210 M5.2 Nikko-Namegawa 120 cm below Sotome 210 M5 unknown-TB9 210 unknown-Nakazato 2 below Nakazato 3 215 unknown-Nakazato 1 below Nakazato 2 216 M4 Kan'nabe-Midori 218 M4 Kan'nabe-Ozukue 160 cm below Tada 220 M5.2 NIkko-Yaita 60 cm below Namegawa lahar 220 M4.7 Nasu-Shirakawa 1 70 cm below KitaAkata 220 M5 unknown-Tagashira 40 cm below Shirakawa 1 220 M4 Haruna-Jumonji 100 cm below Ishizuhara 220 Akan-lower ignimbrite 220 M6 unknown-Shimoyamazato below Nakazato 1 224 Nikko-Namegawa lahar 12 cm below Yaita 225 M5 Haruna-Miyazawa ignimbrite 50 cm below Jumonji 225 M5 unknown-TB8 228 M5 Hakone-TB7 230 M4.9 Nikko-Yumihari 7 30 cm below Yaita 230 Asama.Kagonoto-Takahanezawa debris avalanche below Ishizuhara; above Karasawa; in Tsumagoi lacustrine 232 M5 unknown-TB5 234 M4 Kan'nabe-Kamisano 240 Shiga-Namizaka lava 240 M5.7 Hakone-TB1 240 M5 Numazawa-Tagashira 120 cm below Shibahara; 250 cm above Shirakawa 8 245 M4.4 Nikko-Yumihari 8 50 cm below Yumihari 7 249 M6 unknown-Karasawa 4 cm above Torihama 250 Takayashiro.Meshimoriyama 250.0 M7 Ata-Torihama MIS8.2 250 Kutcharo-6 ignimbrite 250 M6 Onikobe-Ikezuki above Takamori 17 251 Tsumagoi lacustrine intercalating Ishizuhara and Karasawa 252 M4.6 Nikko-Yumihari 9 15 cm below Yumihari 8 255 M6.0 Hakone-TCu1 above Yatsugatake-BBP 255 M7 Aso-1.1 70 cm (peat) above Aso-1.0 259 M5.0 Nikko-Yumihari 10 20 cm below Yumihari 9; immediately above Nasuno (Minohara) 260 M6 Azumaya-Minohara 130 cm below Karasawa 260 M6.0 Yatsugatake-GoP1 near Hakone-TCl or TDu 261.9 M5 Yatsugatake-Lw.O.P. 262 M8 Aso-1.0 20 cm below Minohara; between Takayashiro-j and -k 264 M7 Aso-0.9 267 M3.8 Nasu-Shirakawa 2 20 cm below Nasuno (Minohara) 276 M4.6 Nasu-Shirakawa 3 35 cm below Shirakawa 2 279 M4 Haruna-Oto 5 120 cm below Aso 1.0 280 Kutcharo-7 ignimbrite 282 M4 Haruna-Oto 4 20 cm below Oto 5 285 M4 Haruna?-Nagafuji 6 20 cm below Oto 4 290 M5 Hakone-TCl4 295 M5 Tateyama-C 30 cm above -B 300 Norikura-Kikyogahara lava 300 M4.1 Nasu-Shirakawa 4 18 cm below Shirakawa 3 300 M5 Tateyama-B 250 cm above Suiendani-A3 300 M5 Asama.Kagonoto?-Nagafuji 5 110 cm below Nagafuji 6 300 Kikai-Koseta ignimbrite 300 Yufuin-Shirosima ignimbrite 301 M6 unknown-Nanamagari below Shirakawa 4; 5 cm below Shirakawa 3 302 M5.2 Takahara-UbazawaKita 3 cm below Nanamagari; 300 cm above Suiendani-A3 306 M5 Asama.Kagonoto?-Nagafuji 4 40 cm below Nagafuji 5 309.9 M5 Yatsugatake-Lwst.O.P. 310.0 M6 Suiendani-Hirose 2 300cm above "A" Creek debris avalanche 310 Kutcharo-8 ignimbrite 314 M4.4 Nasu-Shirakawa 5 30 cm below UbazawaKita 318 M4 Haruna?-Nagafuji 3 90 cm below Nagafuji 4 320 M4 Haruna?-Nagafuji 2 10 cm below Nagafuji 3 324 M4 Haruna-Oto 3 30 cm below Nagafuji 2 325 M4 haruna-Oto 2 10 below Oto 3 326 M4.7 Nasu-Shirakawa 6 30 cm below Shirkawa 5 326 M4 Haruna-Oto 1 20 cm below Oto 2 329 M5 Haruna?-Nagafuji 1 20 cm below Oto1; 40 cm above Suiendani-A5 330 M4 unnamed scoria between Shirakawa 6 and 7 331 M5.0 Nasu-Shirakawa 7 23 cm below Shirakawa 6 333 M6 Hiuchi?-Origuchihara 7 cm below Shirakawa 7 334 M4.2 Nasu-Shirakawa 8 5 cm below Origuchihara 335 M5 Suiendani-A5 540 cm below Minohara; 20 cm above Kakuto 336 M5.0 Nasu-Shirakawa 9 12 cm below Shirakawa 8 337 M5.0 Nasu-shirakawa 10 8cm below Shirakawa 9; 20 cm above Takaku 337 M5.0 Nikko-Shiobara 1 40 cm below Shirakawa 7 339 M4.7 Takahara-Shiobara 2 5 cm below Shirakawa 10 339 M6 Yatsugatake-"A" Creek debris avalanche 10 cm (silt) above Kakuto 340.0 M8 Kakuto MIS10; between Suiendani-A5 and -A4 340 Kutcharo-Koume ignimbrite 342 M4.8 Nikko-Shiobara 3 13 cm below Shiobara 2 344 M6 Hiuchi?-Origuchihara immediately above Shirakawa 8 345 M5 Suiendani-A4 20 cm below Kakuto 349 M4.6 Nikko-Shiobara 4 30 cm below Shiobara 3; 1 cm above Suiendani A3 350 M6 Suiendani-A3 25cm below -A4 350 Azumaya-Manzagawa lava above Oshi 350 Asama.Yunomaru lava 350 M4 Kan'nabe-Takurayama 353 M6 Chugoku-HIkage 10 between Suiendani-A3 and Hikage 9 357 M5 KusatsuShirane?-Hikage 9 between Hikage 10 and Suiendani-A2 359.9 M6 Yatsugatake-Jizodo 12 40 m (marine sand) above Suiendani-TE5 360.0 M6 Suiendani-A2 40 cm below -A3 360 Asama.Nabebutayama laba 360 M6 Hiuchi?-Takaku 30 cm below Suiendani-Au; 30 cm below Shirakawa 10 365 M7 Kyushu?-Hikage 7 below Kakuto; above Suiendani-TE5 366 M4 KusatsuShirane-3P 150 cm above Suiendani-A1 366 M6 Nikko-Yaguchi 18 cm above Suiendani-A1 367 KusatsuShirane-Aoba lava immediately below -3P 370 Hakusan.Kagamuro 370 M6 Suiendani-A1 40 cm below -A2; 150 cm above -TE5 370 M6 unknown-Takamori 17 120 cm above Takamori 16 371 M6.6 KusatsuShirane-Oshi ignimbrite 40 cm below -2C 375 M4.6 Nasu-Shirakawa 11 60 cm below Takaku 375 KusatsuShirane-Horaguchi lava below Oshi 380 Takahara-unnamed lava 140 cm below Suiendani-A3 385 M4.6 Nasu-Shirakawa 12 20 cm below Shirakawa 11 385 M5 Haruna-Nakamura 40 cm below Suiendani-A1; 70 cm above -TE5 390 M5.7 Akagi-Moka 170 cm below Suiendani-A3 400 M5 unknown-Kurotawara 35 cm below Moka; 35 cm below Shirakawa 12 400 M6 Daisen-?-Kasuri 400 unknown-Warabitai 400 M5 Kikai-Heikenojo 400 Yufuin-Otsuru ignimbrite 410 M5 Onikobe-Takamori 16 120 cm above Takamori 12 419.9 M5 Kurofuji?-unnamed pumice immediately above Suiendani-TE5 420.0 M7 Suiendani-TE5 425 M5 Haruna-Tegomaru 100 cm below Suiendani-TE5 425 M5 Yatsugatake-Ogano 5 32 cm below Suiendani-TE5 430 Minamizaki cone 435 M5 Yatsugatake-Ogano 4 50 cm below Ogano 5 440 M7 Kyushu-Jizodo 1 20 m (marine sand) below Suiendani-TE5 440 M5 Onikobe-Takamori 12 5 cm above Takamori 11 442 M4 Onikobe-Takamori 11 55 cm above Takamori 8 448 M7 Baitoushan-Oga 50 m (marine sand) below Aso-1 450 Kurikoma-Kabutoyama ignimbrite 450 M5.1 Togawan (-Jizodaira?) 20 cm (peat) below Oga 455 M4 Yatsugatake-Ogano 3 100 cm below Ogano 4 456 M6 unknown-Wakimoto 60 cm (peat) below Togawan 460 Nasu-Kuroiso debris avalanche 380 cm below Takaku 460 M5 Onikobe-Takamori 8 32 cm above Takamori 7 470 M7 Hakkoda-2 ignimbrite 100 cm below Jizodaira 470 M4 Onikobe-Takamori 7 50 cm above Takamori 5 475 M5 Yatsugatake-Ogano 2 100 cm below Ogano 3 480 unknown-Kasamori 5 485 M5 Yatsugatake-Ogano 1 42 cm below Ogano 2 485 M4 Onikobe-Takamori 30 cm above Takamori 4 495 Odamaki conglomerate 40 cm below Ogano 1 495 M4 Onikobe-Takamori 4 500 M6 Tateyama?-Taniguchi ignimbrite 500 M4 Haruna-Hagyu 2 250 cm below Tegomaru 500 M6 unknown-Shiradoya 500 M7 Aira?-Yoshino ignimbrite 500 Hakone?-ShimoKurata above Sakura 500 M7 unknown-Kasamori 7.3 500 M4 Onikobe-Takamori 3 10 cm above Takamori 2 501 M4 Haruna-Hagyu 1 10 cm below Hagyu 1 503 M4 Onikobe-Takamori 2 10 cm above Takamori 1 505 M5 KusatsuShirane-Naganohara 7 15 cm below Hagyu 1 506 M4 Onikobe-Takamori 1 200 cm above fluvial gravels 510 Shiobara lake caldera lake formed by Otawara ignimbrite 520 M5 KusatsuShirane-Naganohara 6 80 cm below Naganohara 7 520 M6 Takahara-Otawara ignimibrite unconformably 250 cm below Otawara 524 M6 unknown-ImaiToge 25 cm below Naganohara 6 526 M5 KusatsuShirane-Naganohara 5 528 M5 KusatsuShirane-Naganohara 4 530 M6 unknown-Nemoto 13 30 cm below Otawara 532 M5 KusatsuShirane-Naganohara 3 534 M5 KusatsuShirane-Naganohara 2 536 M5 KusatsuShirane-Naganohara 1 540.0 M8 Kobayashi-Sakura (Kasamori 11) MIS13.3; 550 M6 unknown-Nemoto 14 below Nemoto 13 550 unknown-Kamagahara ignimbrite 570 KusatsuShirane.Mtsuozawa cone 570 M6 JoShinEtsu-Misawa 100 cm below Sakura 570 M6 unknown-Nemoto 16 below Nemoto 14 580 M6 unknown-Koromogawa 590 M5 unknown-Hoshinomiya 50 cm above Sakuyama 600 M5 unknown-Sakuyama 300 cm above Hoshitoge 600 M7 Kakuto?-Hiwaki ignimbrite 600 M6 Yufuin-Yufugawa ignimbrite 600 M7 Kuju?-Toga (Senganji ignimbrite) MIS15 600 M7 Hakkoda-1 ignimbrite 601 M5 Yufuin-Kamiyashiki ignimbrite 10 cm below Yufugawa 610 M5 Onoko-Takayama ignimbrite 180 cm below Misawa 620 M6 unknown-White 620 M7 unknown-Kasamori 18 (Ashigakubo) 640 unknown-YG10 above Hoshitoge 640 Yufuin-Ayukawa 650 Shiga-Yokote laba 650.0 M7 Kaisyo-Toriitoge MIS16; 200 cm below Onoko-Takayama 650 M7 Kuju?-Toga 660 M5 Azumaya-Manzagawa pumice below Toriitoge 670 Asama.Komagamiyama cone 670 M6 Azumaya-Ochiaibashi ignimbrite below Toriitoge 670 M7 unknown-Chonan 1 685 M7 unknown-Chonan 2 (Kagiana, Toga) 700 Otake.Older cone 700 M6 unknown-Imakuma 2 700 IshikariSanchi-KamiAsahigaoka 700 M7 unknown-Chonan 3 700 M7 unknown-Tajima 700 Iwabuchi andesite lava between Kagiana and Ozumori 710 M4 Kan'nabe-Nishiki 720 M7 unknown-Kakinokidai 1 740 M7 unknown-Kakinokidai 2.6A 750 Azumaya-Oyokogawa lava 750 M6 unknown-Imakuma 1 750 M7 Usami volcano 750 M7 unknown-Kakinokidai 2.6B 760 Madarao 770 M5 Azumaya-Oyokogawa 3 150 cm below Oyokogawa lava 770 M7 unknown-Kokumoto 1 normal magnetism 780.0 B/M boundary MIS19.3 790 M7 unknown-Kokumoto 3 reverse magnetism 800 Wadatoge rhyorite dome 800 M6 unknown-Biotite 800 Takajomachi ignimbrite reverse magmatism 800 M5 Hatazawa-Ikudo ignimbrite reverse magnetism 800 Hatoriko-Kamabusayama ignimbrite 810 M7 unknown-Uonuma Pink 840 M6 unknown-Sayama 840 M7 unknown-Kokumoto5A (Ozumori) reverse magnetism 850 Shikaribetsu-Kuttari 850 M6 Aira?-Nabekura ignimbrite (Hayato) 870.0 M8 Shishimuta-Azuki below B/M boundary 900 Tokachi ignimbrite 900 M6 unknown-Keno ignimbrite 900 unknown-Miroku ignimbrite 900 Hatoriko-Ten'ei ignimbrite 900 unknown-Shibutami 970 Asama.Sasadoyayama 970 Aira?-Oda ignimbrite 1000 M8 Shishimuta-Pink Jaramio epoch 1000 Dainitigatake 1000 Hatoriko-Nishigo ignimbrite 1100 M7 unknown-Takigasawa 1300 M7 unknown-Kumado ignimbrite 1590 Toya?-Sobetsu ignimbrite 1650 Kan'nabe-Genbudo 1750 M8.2 Hida-Fukuda (Ebisutoge ignimbrite) 1800 M7 unknown-Nyukawa ignimbite several m below Fukuda (Ebisutoge ignimbrite)