Jepang · Stratovolkan
Akita-Yakeyama
- Tipe
- Stratovolkan
- Ketinggian
- 1366 m
- Letusan terakhir
- 1997
- Tipe
- Stratovolkan
- Negara
- Jepang
- Wilayah
- Pasifik Barat Laut / Northeast Japan Volcanic Arc
- Ketinggian
- 1366 m
- Koordinat
- 39.964, 140.757
- Letusan terakhir
- 1997
- Kondisi tektonik
- Zona subduksi / Kerak benua (> 25 km)
- Bentuk lahan
- Komposit
- Batuan utama
- Andesit / Andesit basaltik
Ringkasan geologi
One of several Japanese volcanoes named Yakeyama ("Burning Mountain"), Akita-Yakeyama is the most recently active of a group of coalescing edifices in NW Honshu immediately west of Hachimantai volcano. The main volcano, Yakeyama, contains a small lava dome in its 600-m-wide summit crater. Tsugamori to the east is a stratovolcano of roughly the same height and has a 2-km-wide crater breached to the NE. The flat-topped lava dome of Kuroshimori lies 4 km S of Yakedake. One of several thermal areas, the Tamagawa Spa at the western foot has strongly acidic and slightly radioactive water. The last magmatic eruption formed the Onigajo lava dome in the summit crater about 5000 years ago. There have been somewhat uncertain reported 19th-century eruptions and mild phreatic eruptions in the 20th century.
Ringkasan Wikipedia
Ringkasan InggrisAkita-Yake-Yama is a small stratovolcano in Akita Prefecture, Japan, that is known for its radioactive waters. A small parasitic lava dome is located four kilometers from the volcano.
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Riwayat letusan
17 tercatatGlosariumGaris waktu rinci
- 1997VEI 1Teramati1997-05-11 – 1997-05-11NE flank (Sumikawa-Onsen)
- 1997VEI 1Teramati1997-08-16 – 1997-08-16Kare-numa
- 1957VEI 1Teramati1957-07-02 – akhir tidak diketahui
- 1951VEI 1Teramati1951-02-16 – akhir tidak diketahuiKare-numa
- 1950VEI 1Teramati1950-07-02 – akhir tidak diketahuiKare-numa
- 1949VEI 1Teramati1949-08-30 – 1949-09-01Kare-numa
- 1948VEI 1Teramati1948-07-02 – akhir tidak diketahuiKare-numa
- 1929VEI 2Teramati1929-09-16 – akhir tidak diketahui
- 1890VEI 2Teramati1890-09-23 – akhir tidak diketahui
- 1887VEI 2Teramati1887-07-02 – akhir tidak diketahuiKarenuma
- 1867VEI ?Teramati1867-07-02 – akhir tidak diketahui
- 1678VEI 2Teramati1678-02-22 – akhir tidak diketahuiKarenuma
- 1390 (±75 tahun)VEI ?Perkiraan geologi1390 – akhir tidak diketahui
- 807VEI ?Metode tidak dinyatakan807-11-01 – akhir tidak diketahui
- 570VEI ?Perkiraan geologi570 – akhir tidak diketahui
- 1250 SM (±200 tahun)VEI ?Perkiraan geologi1250 SM – akhir tidak diketahui
- 3050 SMVEI ?Perkiraan geologi3050 SM – akhir tidak diketahuiOnigajo lava dome
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