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Monte Asama

Asamayama

Vulcano complesso · Japan · 2568 m

The Onioshidashi lava flow on the N flank of Asamayama volcano was erupted at the end of the last major eruption in 1783. Asamayama has a historical record dating back more than 1,300 years. The Maekakeyama summit in the center was constructed within an open crater whose rim appears on the horizon to the far-right
The Onioshidashi lava flow on the N flank of Asamayama volcano was erupted at the end of the last major eruption in 1783. Asamayama has a historical record dating back more than 1,300 years. The Maekakeyama summit in the center was constructed within an open crater whose rim appears on the horizon to the far-right · Foto: Photo by Richard Fiske, 1961 (Smithsonian Institution). · Wikimedia Commons
Tipo
Vulcano complesso
Paese
Japan
Regione
Northwestern Pacific Volcanic Regions / Northeast Japan Volcanic Arc
Altitudine
2568 m
Coordinate
36.406, 138.523
Ultima eruzione
2019
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

Asamayama, Honshu's most active volcano, overlooks the resort town of Karuizawa, 140 km NW of Tokyo. The volcano is located at the junction of the Izu-Marianas and NE Japan volcanic arcs. The modern Maekake cone forms the summit and is situated east of the remnant of an older andesitic volcano, Kurofuyama, which was destroyed by a late-Pleistocene landslide about 20,000 years before present (BP). Growth of a dacitic shield volcano was accompanied by pumiceous pyroclastic flows, the largest of which occurred about 14,000-11,000 BP, and by growth of the Ko-Asamayama lava dome on the east flank. Maekake, capped by the Kamayama pyroclastic cone that forms the present summit, is probably only a few thousand years old and has observed activity dating back at least to the 11th century CE. Maekake has had several major Plinian eruptions, the last two of which occurred in 1108 (Asamayama's largest Holocene eruption) and 1783 CE.

Sintesi da Wikipedia

Il monte Asama è un vulcano complesso al centro di Honshū, la principale isola del Giappone, ed è il vulcano più attivo di tutta l'isola. L'Agenzia meteorologica giapponese ha classificato il monte Asama come rango A. È alto 2 568 metri e si trova sul confine tra la prefettura di Gunma e la prefettura di Nagano. È una delle 100 montagne più famose del Giappone.

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Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
7200 BCE~6893 BCE · 1 eruzioni · VEI max. ?6585 BCE~6278 BCE · 1 eruzioni · VEI max. ?4742 BCE~4434 BCE · 1 eruzioni · VEI max. ?4127 BCE~3820 BCE · 1 eruzioni · VEI max. ?3512 BCE~3205 BCE · 1 eruzioni · VEI max. 32590 BCE~2283 BCE · 1 eruzioni · VEI max. 41361 BCE~1054 BCE · 1 eruzioni · VEI max. ?175~483 · 1 eruzioni · VEI max. 4483~790 · 1 eruzioni · VEI max. 31097~1404 · 3 eruzioni · VEI max. 51404~1712 · 45 eruzioni · VEI max. 31712~2019 · 88 eruzioni · VEI max. 47200 BCE5049 BCE2590 BCE439 BCE1712

Cronologia dettagliata

  1. 2019VEI 2Osservata
    2019-08-07 – 2019-08-25
  2. 2015VEI 1Osservata
    2015-06-16 – 2015-06-19
    Summit crater
  3. 2009VEI 2Osservata
    2009-01-21 – 2009-05-02
  4. 2008VEI 1Osservata
    2008-08-10 – 2008-08-14
  5. 2004VEI 2Osservata
    2004-09-01 – 2004-12-09
  6. 2003VEI 1Osservata
    2003-02-06 – 2003-04-18
  7. 1990VEI 2Osservata
    1990-07-20 – 1990-07-20
  8. 1983VEI 2Osservata
    1983-04-08 – 1983-04-08
  9. 1982VEI 2Osservata
    1982-04-26 – 1982-04-26
  10. 1982VEI 1Osservata
    1982-10-02 – 1982-10-02
  11. 1973VEI 2Osservata
    1973-02-01 – 1973-05-24
  12. 1965VEI 2Osservata
    1965-05-23 – 1965-05-23
  13. 1961VEI 2Osservata
    1961-08-18 – 1961-11-16
  14. 1958VEI 2Osservata
    1958-10-03 – 1959-08-26
  15. 1953VEI 3Osservata
    1953-12-27 – 1955-08-02
  16. 1952VEI 1Stima geologica
    1952-01-16 – 1952-01-16
  17. 1952VEI 2Osservata
    1952-06-07 – 1952-06-14
  18. 1950VEI 1Osservata
    1950-09-23 – 1951-06-17
  19. 1949VEI 2Osservata
    1949-03-10 – 1949-10-24
  20. 1947VEI 1Osservata
    1947-06 – 1947-08-14
    E corner of crater bottom
  21. 1946VEI 2Osservata
    1946-10-29 – 1946-10-30
  22. 1944VEI 2Osservata
    1944-01 – 1945-11
  23. 1938VEI 1Osservata
    1938-03-25 – 1942-12
  24. 1934VEI 1Osservata
    1934-01-09 – 1934-02-11
  25. 1934VEI 1Osservata
    1934-06 – 1934-06
  26. 1934VEI 3Osservata
    1934-11-13 – 1937-07
  27. 1933VEI 2Osservata
    1933-01-09 – 1933-08-03
  28. 1931VEI 3Osservata
    1931-03-31 – 1932-09-21
  29. 1930VEI 2Osservata
    1930-04-18 – 1930-10-17
  30. 1929VEI 2Osservata
    1929-01-22 – 1929-04-05
  31. 1929VEI 2Osservata
    1929-09-18 – 1929-11-15
  32. 1927VEI 2Osservata
    1927-03 – 1928-07-25
  33. 1924VEI 2Osservata
    1924-09-07 – 1924-09-29
  34. 1920VEI 2Osservata
    1920-12-06 – 1922-04-05
  35. 1919VEI 2Osservata
    1919-03-14 – 1919-08-27
  36. 1918VEI ?Stima geologica
    1918 – In corso
  37. 1917VEI 1Osservata
    1917-05-03 – 1917-07-31
  38. 1916VEI 1Osservata
    1916-05-12 – 1916-10-02
  39. 1915VEI 1Osservata
    1915-05-13 – 1915-08-27
  40. 1914VEI 2Osservata
    1914-11-12 – 1914-12-16
  41. 1909VEI 1Osservata
    1909-01-29 – 1914-06-24
  42. 1908VEI 2Osservata
    1908-02-13 – 1908-02-19
  43. 1908VEI 2Osservata
    1908-08-05 – 1908-09-23
  44. 1907VEI 2Osservata
    1907-01-18 – 1907-03-28
  45. 1907VEI 2Osservata
    1907-08-24 – 1907-08-24
  46. 1906VEI 2Osservata
    1906-04-06 – 1906-04-06
  47. 1905VEI ?Stima geologica
    1905 – In corso
  48. 1904VEI 2Osservata
    1904-08-04 – 1904-08-04
  49. 1903VEI 2Stima geologica
    1903-05-28 – 1903-06-30
  50. 1902VEI 2Osservata
    1902-02-07 – 1902-02-07
  51. 1902VEI 2Osservata
    1902-08-05 – 1902-08-20
  52. 1900VEI 2Osservata
    1900-01-22 – 1901-10
  53. 1899VEI 2Osservata
    1899-03-11 – In corso
  54. 1899VEI 2Osservata
    1899-07-10 – 1899-08-07
  55. 1894VEI 2Osservata
    1894-04-06 – 1894-06-14
  56. 1892VEI ?Stima geologica
    1892 – In corso
  57. 1891VEI ?Osservata
    1891-10 – 1891-11
  58. 1889VEI 2Osservata
    1889-12-24 – In corso
  59. 1879VEI 2Osservata
    1879-09-27 – 1879-09-28
  60. 1878VEI 2Stima geologica
    1878 – In corso
  61. 1875VEI 2Osservata
    1875-06-14 – In corso
  62. 1869VEI 2Osservata
    1869-05 – 1869-10-23
  63. 1815VEI 3Osservata
    1815-02-28 – In corso
  64. 1803VEI 2Osservata
    1803-07-04 – In corso
  65. 1803VEI 2Osservata
    1803-11-07 – 1803-11-21
  66. 1783VEI 4Osservata
    1783-05-09 – 1783-08-05
  67. 1779VEI ?Stima geologica
    1779-09 – In corso
  68. 1777VEI 2Osservata
    1777 – In corso
  69. 1776VEI 2Osservata
    1776-09-05 – In corso
  70. 1769VEI ?Stima geologica
    1769-08-06 – In corso
    Volcano Uncertain
  71. 1762VEI 2Osservata
    1762-04 – In corso
  72. 1755VEI 2Osservata
    1755-07-05 – 1755-08-06
  73. 1754VEI 2Osservata
    1754-08-07 – 1754-08-19
  74. 1752VEI 2Osservata
    1752-09 – 1752-10
  75. 1733VEI 2Osservata
    1733-07-30 – In corso
  76. 1732VEI 2Osservata
    1732-07-30 – In corso
  77. 1731VEI 2Osservata
    1731 – In corso
  78. 1729VEI 2Osservata
    1729-02 – In corso
  79. 1729VEI 2Osservata
    1729-11 – 1729-12
  80. 1728VEI 2Osservata
    1728-11-10 – In corso
  81. 1723VEI 2Osservata
    1723-08-20 – In corso
  82. 1722VEI 2Osservata
    1722-11-18 – 1723-02-05
  83. 1721VEI 1Osservata
    1721-06-22 – In corso
  84. 1720VEI 2Osservata
    1720-06-06 – In corso
  85. 1719VEI ?Stima geologica
    1719-06-10 – 1719-06-11
    Volcano Uncertain
  86. 1718VEI 2Osservata
    1718-09-26 – In corso
  87. 1717VEI 2Osservata
    1717-09-23 – In corso
  88. 1713VEI 2Osservata
    1713-06-29 – In corso
  89. 1711VEI 2Osservata
    1711-04-13 – In corso
  90. 1710VEI 2Osservata
    1710-03-25 – 1710-04-13
  91. 1708VEI 2Osservata
    1708-12-29 – 1709-01-08
  92. 1706VEI 2Osservata
    1706-11-20 – In corso
  93. 1704VEI 2Osservata
    1704-02-05 – 1704-02-09
  94. 1703VEI 2Osservata
    1703 – In corso
  95. 1695VEI 2Osservata
    1695-06-23 – In corso
  96. 1669VEI 2Osservata
    1669-04-05 – 1669-04-15
  97. 1661VEI 2Osservata
    1661-04-14 – 1661-04-27
  98. 1661VEI 2Osservata
    1661-10-21 – In corso
  99. 1660VEI 2Osservata
    1660-04-08 – In corso
  100. 1659VEI 2Osservata
    1659-07-24 – In corso
  101. 1658VEI 2Osservata
    1658-07-24 – In corso
  102. 1657VEI 2Osservata
    1657-11-25 – In corso
  103. 1656VEI 2Osservata
    1656-12-10 – In corso
  104. 1655VEI 2Osservata
    1655-11-25 – In corso
  105. 1653VEI 2Stima geologica
    1653 – 1654
  106. 1652VEI 2Osservata
    1652-04-12 – In corso
  107. 1651VEI 2Osservata
    1651-04-12 – In corso
  108. 1650VEI 2Stima geologica
    1650-07-02 – In corso
  109. 1649VEI 2Osservata
    1649-08-17 – 1649-08-18
  110. 1648VEI 2Osservata
    1648-03-20 – In corso
  111. 1648VEI 2Osservata
    1648-08-30 – In corso
  112. 1647VEI 2Osservata
    1647-02-18 – 1647-03-25
  113. 1645VEI 2Osservata
    1645-02-24 – 1645-05-21
  114. 1644VEI 2Osservata
    1644-02-20 – In corso
  115. 1609VEI 2Osservata
    1609-04-05 – In corso
  116. 1605VEI 2Osservata
    1605-12 – 1606-02
  117. 1604VEI 2Stima geologica
    1604 – In corso
  118. 1600VEI 3Osservata
    1600-01-14 – 1600-01-28
  119. 1598VEI 2Osservata
    1598-05-13 – In corso
  120. 1597VEI 2Osservata
    1597-04-17 – In corso
  121. 1596VEI 3Osservata
    1596-05-01 – 1596-09
  122. 1595VEI 2Osservata
    1595-06-01 – In corso
  123. 1591VEI 2Osservata
    1591-04-15 – In corso
  124. 1591VEI 3Osservata
    1591-11-29 – In corso
  125. 1590VEI 2Osservata
    1590-04-15 – In corso
  126. 1582VEI 2Osservata
    1582-02-16 – In corso
  127. 1582VEI 2Osservata
    1582-07-03 – In corso
  128. 1534VEI ?Stima geologica
    1534 – In corso
  129. 1532VEI ?Stima geologica
    1532-01-14 – In corso
  130. 1528VEI 2Osservata
    1528 – In corso
  131. 1527VEI 2Osservata
    1527-05 – In corso
  132. 1518VEI ?Stima geologica
    1518 – In corso
  133. 1427VEI ?Stima geologica
    1427-07-07 – In corso
  134. 1281VEI 3Stima geologica
    1281-07-03 – In corso
  135. 1128VEI ?Stima geologica
    1128 – In corso
  136. 1108VEI 5Osservata
    1108-08-29 – 1108-10
  137. 685VEI 3Stima geologica
    685-04 – In corso
    Volcano Uncertain
  138. 350 (±10 anni)VEI 4Stima geologica
    350-11-15 – In corso
  139. 1130 a.C. (±1430 anni)VEI ?Stima geologica
    BCE 1130 – In corso
  140. 2550 a.C. (±500 anni)VEI 4Stima geologica
    BCE 2550 – In corso
  141. 3450 a.C.VEI 3Stima geologica
    BCE 3450 – In corso
  142. 4100 a.C. (±100 anni)VEI ?Stima geologica
    BCE 4100 – In corso
  143. 4700 a.C. (±500 anni)VEI ?Stima geologica
    BCE 4700 – In corso
  144. 6400 a.C. (±1050 anni)VEI ?Stima geologica
    BCE 6400 – In corso
  145. 7200 a.C. (±200 anni)VEI ?Stima geologica
    BCE 7200 – In corso

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