Jepang · Stratovolkan
Mount Nasu
Nasudake
- Tipe
- Stratovolkan
- Ketinggian
- 1915 m
- Letusan terakhir
- 1963
- Tipe
- Stratovolkan
- Negara
- Jepang
- Wilayah
- Pasifik Barat Laut / Northeast Japan Volcanic Arc
- Ketinggian
- 1915 m
- Koordinat
- 37.125, 139.963
- Letusan terakhir
- 1963
- Kondisi tektonik
- Zona subduksi / Kerak benua (> 25 km)
- Bentuk lahan
- Komposit
- Batuan utama
- Andesit / Andesit basaltik
Ringkasan geologi
The Nasudake volcanic group consists of a N-S-trending cluster of stratovolcanoes and lava domes at the north end of the Kanto Plain. Volcanic activity dates back about 500,000 years. Growth of three large basaltic-to-dacitic stratovolcanoes, each lasting about 200,000 years, was followed by construction of three smaller andesitic stratovolcanoes (Asahidake, Futamatayama, and Chausudake). Activity during the last 55,000 years included the collapse of Asahidake ~30-40,000 years ago, producing the massive Ofujisan debris-avalanche deposit, which covers a broad area SE of the volcano. Chausudake, began forming about 16,000 years ago, and has had six known magmatic eruptions, with the latest in 1408-1410 CE that built the summit lava dome formed. These eruptions produced block-and-ash flows and concluded with the extrusion of lava flows. Smaller phreatic eruptions have occurred every few hundred years during the past 5,000 years.
Ringkasan Wikipedia
Ringkasan InggrisMount Nasu is a group of complex volcanoes located in the northeast part of Nikkō National Park, Japan. The tallest peak is Sanbonyari Peak at a height of 1,916.9 m (6,289 ft). Mount Nasu is one of the 100 Famous Japanese Mountains.
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Riwayat letusan
21 tercatatGlosariumGaris waktu rinci
- 1963VEI 1Metode tidak dinyatakan1963-07-10 – 1963-07-11Chausu-dake
- 1963VEI 1Teramati1963-11-20 – 1963-11-21Chausu-dake (west side)
- 1960VEI 1Teramati1960-10-10 – akhir tidak diketahuiChausu-dake (50 m north of 1953 vent)
- 1953VEI 1Teramati1953-10-24 – 1953-10-29Chausu-dake (1881 crater)
- 1881VEI 1Teramati1881-07-01 – akhir tidak diketahuiChausu-dake (west and NW side of summit)
- 1846VEI 1Teramati1846-08-16 – akhir tidak diketahuiChausu-dake
- 1410VEI 3Teramati1410-03-05 – akhir tidak diketahuiChausu-dake
- 1408VEI 3Teramati1408-02-24 – akhir tidak diketahuiChausu-dake
- 1404VEI 3Teramati1404-02-11 – akhir tidak diketahuiChausu-dake
- 1397VEI 3Teramati1397-02-17 – akhir tidak diketahuiChausu-dake
- 330 (±200 tahun)VEI 2Perkiraan geologi330 – akhir tidak diketahuiChausu-dake
- 250 (±200 tahun)VEI 3Perkiraan geologi250 – akhir tidak diketahuiChausu-dake
- 250 SMVEI 2Perkiraan geologi250 SM – akhir tidak diketahuiChausu-dake
- 700 SM (±200 tahun)VEI 3Perkiraan geologi700 SM – akhir tidak diketahuiChausu-dake
- 1440 SM (±500 tahun)VEI 2Perkiraan geologi1440 SM – akhir tidak diketahuiChausu-dake
- 2000 SM (±1450 tahun)VEI 2Perkiraan geologi2000 SM – akhir tidak diketahuiChausu-dake
- 4350 SM (±950 tahun)VEI 2Perkiraan geologi4350 SM – akhir tidak diketahuiChausu-dake
- 5550 SM (±500 tahun)VEI 3Perkiraan geologi5550 SM – akhir tidak diketahuiChausu-dake
- 6050 SMVEI 2Perkiraan geologi6050 SM – akhir tidak diketahuiChausu-dake
- 7850 SMVEI 3Perkiraan geologi7850 SM – akhir tidak diketahuiChausu-dake
- 8550 SM (±1500 tahun)VEI 2Perkiraan geologi8550 SM – akhir tidak diketahuiChausu-dake
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