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The Izu Islands are divided into two towns (Oshima and Hachijojima) and six villages (the remaining inhabited islands.) Three subprefectures are formed above the municipalities as branch offices of the metropolitan government. [citation needed] All the islands (more than a dozen in total) lie within the Fuji-Hakone-Izu National Park.
As with the other islands in the Izu Island group, Izu Ōshima forms part of the Fuji-Hakone-Izu National Park. [2] Izu Ōshima, at 91.06 km 2 (35.16 sq mi) is the largest and closest of Tokyo's outlying islands, which also include the Ogasawara Islands.
The only recorded eruption was an event on 13 July 1989. Two earthquakes, on 30 June and 9 July took, place on the Izu-Tobu Volcano.On 13 July, a seismometer recorded seismicity, a research vessel, the RV Takuyo reported hearing an explosion sound from the sea floor followed by a 30-second vibration at 18:33 pm.
Repeated volcanic eruptions in 1939 and 2002 have set the flora on Tori-shima back to initial stages in the ecological succession.Plants such as Vitex rotundifolia and hydrangea are found near the shoreline, and Chrysanthemum pacificum and Japanese black pine in sheltered areas inland, but most of the central portion of the island remains as volcanic ash and rock.
Myōjin-shō (明神礁) is a submarine volcano located about 450 kilometers south of Tokyo on the Izu-Ogasawara Ridge in the Izu Islands. Volcanic activity has been detected there since 1869. Since then it has undergone more eruptions, the most powerful of which resulted in the appearance and disappearance of a small island.
Fuji-Hakone-Izu National Park was established on February 2, 1936, as Fuji-Hakone National Park, and is one of the first four national parks established in Japan. In 1950, the Izu islands were added to the park, a change that also reflected in the park's revised name. Due to its proximity to the Tokyo metropolis and ease of transportation, it ...
There are around 200 volcanoes in Texas that have been extinct for millions of years, making them unlikely to erupt again, because the volcano no longer has a magma supply. It could however be ...
Nii-jima (新島) is a volcanic Japanese island [1] administered by the Tokyo Metropolitan Government. It is one of the Izu Seven Islands, group of the seven northern islands of the Izu archipelago, and is located approximately 163 kilometres (101 mi) south of Tōkyō and 36 kilometres (22 mi) south of Shimoda Shizuoka Prefecture.