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Volcano and Geothermal Tourism in Japan – Examples from Honshu and Hokkaido  157




                     Volcano             Type                Location on Honshu   Last known eruption

                     Hijiori             Caldera             Northern Honshu      Unknown
                     Narugo              Caldera             Sendai               837CE

                     Onikobe             Caldera             Akita*               300CE
                     Kurikoma            Stratovolcano       Akita                1950
                     Chokai              Stratovolcanoes     NE Honshu            1974
                     Akita-Komaga-Take   Stratovolcanoes     NW Honshu            1971
                     Iwate               Complex volcano     Iwate*               1919
                     Hachimantai         Stratovolcano       NW Honshu            5350BCE

                     Akita-Yake-Yama     Stratovolcano       NW Honshu            1997
                     Megata              Maars               Oga Peninsula        2050BCE
                     Iwaki               Stratovolcano       Tsugaru              1863

                     Towada              Caldera             Lake Towada          915CE
                     Hakkoda Group       Stratovolcanoes     Mutsu Bay            1550
                     Osore-Yama          Stratovolcano       Shimokita Peninsula  1787
                     Mutsu-Hiuchi-Dake   Stratovolcano       Shimokita Peninsula, North   Current fumaroles
                                                             Honshu
                     Note: * Popular tourist attractions.

                     Source: Siebert and Simkin, 2002



                     reason for this is that the country sits on top of the
                     meeting  point  of  four  tectonic  plates  (Eurasian
                     Plate, Philippine Sea Plate, Pacific Plate and North
                     American Plate), which means that the country is
                     prone to volcanic eruptions and earthquakes as a
                     result of their shifting boundaries and subduction
                     zones. Volcanoes in Japan are distributed in a west
                     Japan volcanic belt and an east Japan volcanic belt.
                     The west belt runs from Kyushu to Chugoku, and
                     the  east  belt  from  Tohoku  to  Hokkaido
                     (Figure  10.1).  There  is  a  gap  of  some  150km
                     between the two. The Eastern Japan Volcanic Belt
                     includes the Kuril Arc, Hokkaido and north-east
                     Honshu and out along the Izu-Bonin Arc, and the
                     Western Japan Volcanic Belt includes south-west
                     Honshu  and  Kyushu,  and  along  the  Tokara
                     Islands.
                        Two main classes of volcano are identified in   Figure 10.1  The volcanic belts of Japan
                     Japan. One is the polygenetic type where eruptions   Source: www.numo.or.jp/en/publications/pdf/Level3_SF_Final-09.pdf







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