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Mount Lamongan

Lamongan

Stratovolcano · Indonesia · 1641m

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. · Photo: Photo by Tom Casadevall, 1985 (U.S. Geological Survey). · Wikimedia Commons
Type
Stratovolcano
Country
Indonesia
Region
Sunda-Banda Volcanic Regions / Sunda Volcanic Arc
Elevation
1641m
Coordinates
-7.981, 113.341
Last eruption
1898
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Basalt / Picro-Basalt
Geological summary

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.

From Wikipedia

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.

Wikipedia · CC BY-SA · Read full article →

Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
1799~1814 · 3 eruptions · max VEI 21814~1830 · 6 eruptions · max VEI 21830~1845 · 5 eruptions · max VEI 21845~1861 · 5 eruptions · max VEI 21861~1876 · 8 eruptions · max VEI 21876~1891 · 11 eruptions · max VEI 31891~1907 · 3 eruptions · max VEI 21938~1953 · 1 eruptions · max VEI 217991830187619071938

Detailed timeline

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

External links

⚠ For reference only. Not for emergency response.