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Mount Lamongan

Lamongan

Stratovulcano · Indonesia · 1641 m

Lamongan, a small volcano located between the massive Tengger and Iyang-Argapura volcanoes, rises above Lamongan Lake on its western flank. Ranu Lamongan lake fills one of 27 maars that surround the volcano, that have diameters ranging from 150 to 700 m. There have been frequent explosive eruptions, mostly from the summit crater, during the 19th century.
Lamongan, a small volcano located between the massive Tengger and Iyang-Argapura volcanoes, rises above Lamongan Lake on its western flank. Ranu Lamongan lake fills one of 27 maars that surround the volcano, that have diameters ranging from 150 to 700 m. There have been frequent explosive eruptions, mostly from the summit crater, during the 19th century. · Foto: Photo by Tom Casadevall, 1985 (U.S. Geological Survey). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Indonesia
Regione
Sunda-Banda Volcanic Regions / Sunda Volcanic Arc
Altitudine
1641 m
Coordinate
-7.981, 113.341
Ultima eruzione
1898
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

Lamongan, a small stratovolcano located between the massive Tengger and Iyang-Argapura volcanic complexes, is surrounded by numerous maars and cinder cones. The currently active cone has been constructed 650 m SW of Gunung Tarub, the volcano's high point. As many as 27 maars with diameters from 150 to 700 m, some containing crater lakes, surround the volcano, along with about 60 cinder cones and spatter cones. Lake-filled maars, including Ranu Pakis, Ranu Klakah, and Ranu Bedali, are located on the E and W flanks; dry maars are predominately located on the N flanks. None of the maars has erupted during historical time, although several of the youthful maars cut drainage channels from Gunung Tarub. The volcano was very active from the time of its first historical eruption in 1799 through the end of the 19th century, producing frequent explosive eruptions and lava flows from vents on the western side ranging from the summit to about 450 m elevation.

Sintesi da Wikipedia

Riassunto in inglese

Mount Lamongan or Mount Lemongan is a small stratovolcano located between the massif Tengger caldera complex and Iyang-Argapura volcano complex in East Java, Indonesia. The volcano is surrounded by maars and cinder cones. The volcano's high point is locally named as Gunung Tarub. Lake-filled maars including Ranu Pakis, Ranu Klakah and Ranu Bedali, located on the eastern and western flanks. The northern flanks are dominated by dry maars. The Green Army organization, led by Aak Abdullah al-Kudus, has been working to reforest the mountain.

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Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
1799~1814 · 3 eruzioni · VEI max. 21814~1830 · 6 eruzioni · VEI max. 21830~1845 · 5 eruzioni · VEI max. 21845~1861 · 5 eruzioni · VEI max. 21861~1876 · 8 eruzioni · VEI max. 21876~1891 · 11 eruzioni · VEI max. 31891~1907 · 3 eruzioni · VEI max. 21938~1953 · 1 eruzioni · VEI max. 217991830187619071938

Cronologia dettagliata

  1. 1953VEI 2Stima geologica
    1953-04-04 – 1953-06-16
  2. 1898VEI 2Osservata
    1898-02-05 – 1898-02-15
    SW flank 400 m (Mt. Anyar)
  3. 1896VEI 2Osservata
    1896-09-05 – 1896-09-19
  4. 1893VEI 2Osservata
    1893-11-18 – In corso
  5. 1891VEI 2Osservata
    1891-09-25 – 1891-10-05
  6. 1890VEI 2Osservata
    1890-03-23 – 1890-05
  7. 1890VEI 2Osservata
    1890-09-05 – 1891-01
  8. 1889VEI 2Osservata
    1889-09-07 – 1889-11
  9. 1888VEI 2Osservata
    1888-09 – 1888-10-06
  10. 1887VEI 2Osservata
    1887-07-03 – 1887-07-09
  11. 1887VEI 2Osservata
    1887-11 – 1888-02-27
  12. 1885VEI 2Osservata
    1885-03-11 – 1886-10-15
  13. 1884VEI 2Osservata
    1884-01-06 – 1884-06-23
  14. 1883VEI 2Osservata
    1883-04-13 – 1883-05-04
  15. 1877VEI 3Osservata
    1877-04-24 – 1877-05-12
  16. 1874VEI 2Osservata
    1874-05-20 – 1874-08-21
  17. 1872VEI 2Osservata
    1872-08-15 – 1872-09-18
  18. 1870VEI 2Osservata
    1870-03-02 – 1870-03-05
  19. 1870VEI 2Osservata
    1870-08-18 – 1871-02-05
    Summit and SW flank
  20. 1869VEI 2Osservata
    1869-04-06 – 1869-05-04
    Summit and south slope
  21. 1869VEI 2Osservata
    1869-09-12 – In corso
  22. 1864VEI 2Osservata
    1864-06-09 – 1864-07
  23. 1861VEI 2Osservata
    1861 – In corso
  24. 1859VEI 2Osservata
    1859-02-27 – 1859-03
  25. 1856VEI 2Osservata
    1856-03-01 – 1856-06-14
  26. 1849VEI 2Osservata
    1849-06 – 1849-09
    Summit and north flank
  27. 1847VEI 2Osservata
    1847-03-26 – 1847-06-26
  28. 1847VEI 2Osservata
    1847-09-25 – In corso
  29. 1843VEI 2Osservata
    1843-08 – 1844-09
  30. 1841VEI 2Osservata
    1841-07-16 – 1842-08
  31. 1838VEI 2Osservata
    1838-07-04 – 1838-07-06
  32. 1838VEI 2Osservata
    1838-10-18 – In corso
  33. 1830VEI 2Osservata
    1830-02 – 1830-03
  34. 1829VEI 2Osservata
    1829-01 – 1829-02
  35. 1826VEI 2Osservata
    1826 – In corso
  36. 1824VEI 2Osservata
    1824-01-01 – 1824-01-31
  37. 1821VEI 2Osservata
    1821-12-15 – 1822-01-05
  38. 1818VEI 2Osservata
    1818-10-08 – In corso
  39. 1817VEI 2Osservata
    1817 – In corso
  40. 1808VEI 2Osservata
    1808-12-08 – In corso
  41. 1806VEI 2Osservata
    1806-05 – In corso
  42. 1799VEI 2Osservata
    1799 – In corso

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