• 1,162.3m-yama Lava
  • 1340-ho Lava
  • 1,384m-yama Lava
  • 1559m-ho Lava
  • 1748m peak Welded Tuff
  • 1778 Lava, Oshima volcano
  • 1835 Lava, Miyakejima volcano
  • 1874 Lava, Miyakejima volcano
  • 1909 m Lava
  • 1911 Hiedayama Debris Avalanche Deposits
  • 1926AD Lahar Deposit
  • 1940 Lava, Miyakejima volcano
  • 1942, Hokkaido Komagatake volcano
  • 1950 Lava, Oshima volcano
  • 1954 Lava, Oshima volcano
  • 1970-71AD Eruption Products, Akita-Komagatake volcano
  • 1973-74 products, Nishinoshima volcano
  • 1984 Ontake Debris Avalanche Deposit, Ontake volcano
  • I Bed, Oya Formation
  • I Formation, Himenoura Group
  • 1st Pyroclastic Cone Deposit
  • 1st stage, Iizuna volcano
  • 1st stage, Kurohime volcano
  • 1st stage, Kusatsu-Shirane volcano
  • 1st stage products, Iiji volcano
  • 1st stage products, Naeba volcano
  • 1st Terrace Deposits, Mount Gozaishoyama
  • I Zone, Kitakami mountains plutonic rocks
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