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Vulcano Ulawun

Ulawun

Stratovulcano · Papua New Guinea · 2334 m

The symmetrical Ulawun is one of Papua New Guinea's most frequently active volcanoes. Ulawun and Bamus volcano (upper left) are the two highest volcanoes of the Bismarck Archipelago, and are known as the Father and South Son volcanoes, respectively. The upper 1,000 m of Ulawun is unvegetated. Historical eruptions date back to the beginning of the 18th century.
The symmetrical Ulawun is one of Papua New Guinea's most frequently active volcanoes. Ulawun and Bamus volcano (upper left) are the two highest volcanoes of the Bismarck Archipelago, and are known as the Father and South Son volcanoes, respectively. The upper 1,000 m of Ulawun is unvegetated. Historical eruptions date back to the beginning of the 18th century. · Foto: Photo by Wally Johnson (Australia Bureau of Mineral Resources). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Papua New Guinea
Regione
Southwestern Pacific Volcanic Regions / Bismarck Volcanic Arc
Altitudine
2334 m
Coordinate
-5.050, 151.330
Ultima eruzione
2025
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

The symmetrical basaltic-to-andesitic Ulawun stratovolcano is the highest volcano of the Bismarck arc, and one of Papua New Guinea's most frequently active. The volcano, also known as the Father, rises above the N coast of the island of New Britain across a low saddle NE of Bamus volcano, the South Son. The upper 1,000 m is unvegetated. A prominent E-W escarpment on the south may be the result of large-scale slumping. Satellitic cones occupy the NW and E flanks. A steep-walled valley cuts the NW side, and a flank lava-flow complex lies to the south of this valley. Historical eruptions date back to the beginning of the 18th century. Twentieth-century eruptions were mildly explosive until 1967, but after 1970 several larger eruptions produced lava flows and basaltic pyroclastic flows, greatly modifying the summit crater.

Sintesi da Wikipedia

Riassunto in inglese

Ulawun is an active stratovolcano in West New Britain Province, on the island of New Britain in Papua New Guinea.

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Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
1700~1733 · 1 eruzioni · VEI max. 21863~1895 · 1 eruzioni · VEI max. 21895~1928 · 5 eruzioni · VEI max. 31928~1960 · 4 eruzioni · VEI max. 21960~1993 · 12 eruzioni · VEI max. 31993~2025 · 27 eruzioni · VEI max. 417001765186319281993

Cronologia dettagliata

  1. 2025VEI ?Osservata
    2025-03-27 – 2025-04-07
  2. 2023VEI 3Osservata
    2023-07-18 – 2023-12-31
  3. 2023VEI 1Osservata
    2023-03-28 – 2023-03-28
  4. 2022VEI 2Osservata
    2022-06-02 – 2022-06-02
  5. 2021VEI 2Osservata
    2021-07-09 – 2021-11-29
  6. 2019VEI 4Osservata
    2019-06-26 – 2019-10-05
  7. 2018VEI 1Osservata
    2018-06-08 – 2018-06-08
    Summit crater
  8. 2018VEI 2Osservata
    2018-09-21 – 2018-10-12
    Summit crater
  9. 2017VEI 1Osservata
    2017-06-11 – 2017-11-03
    Summit crater
  10. 2016VEI 1Osservata
    2016-10-11 – 2016-11-18
    Summit crater
  11. 2013VEI 1Osservata
    2013-07-08 – 2013-12-21
    Summit crater
  12. 2012VEI 1Osservata
    2012-05-07 – 2012-05-31
    Summit crater
  13. 2012VEI 1Osservata
    2012-11-06 – 2012-12-11
    Summit crater
  14. 2010VEI 2Osservata
    2010-05-26 – 2011-05-27
    Summit crater
  15. 2007VEI 2Osservata
    2007-05-01 – 2007-05-01
  16. 2007VEI 1Stima geologica
    2007-12-25 – In corso
  17. 2006VEI 2Osservata
    2006-03-01 – 2007-01-18
  18. 2005VEI 2Osservata
    2005-03-27 – 2005-08-09
  19. 2004VEI 2Osservata
    2004-04-12 – 2004-04-14
  20. 2003VEI 2Osservata
    2003-04-14 – 2003-10-10
  21. 2002VEI 2Osservata
    2002-08-22 – 2002-11-03
  22. 2001VEI 3Osservata
    2001-01-16 – 2001-05-03
    Summit and NNE flank
  23. 2001VEI 2Osservata
    2001-08-28 – 2001-08-28
  24. 2000VEI 4Osservata
    2000-09-28 – 2000-11-01
  25. 1999VEI 1Osservata
    1999-10-20 – 1999-10-20
  26. 1994VEI 1Osservata
    1994-04-19 – 1994-06-16
  27. 1993VEI 2Osservata
    1993-01-12 – 1993-01-31
  28. 1989VEI 2Osservata
    1989-01-01 – 1989-12-16
  29. 1985VEI 3Osservata
    1985-11-17 – 1985-11-22
  30. 1984VEI 1Osservata
    1984-08-23 – 1984-09-11
  31. 1984VEI 1Osservata
    1984-12-30 – 1985-01-27
  32. 1983VEI 1Osservata
    1983-11-06 – 1984-03-13
  33. 1980VEI 3Osservata
    1980-10-06 – 1980-10-07
  34. 1978VEI 3Osservata
    1978-05-07 – 1978-05-14
    Summit, lower east flank
  35. 1973VEI 2Osservata
    1973-10-04 – 1973-10-19
  36. 1970VEI 3Osservata
    1970-01-15 – 1970-02-11
  37. 1967VEI 2Osservata
    1967-01-22 – 1967-12-28
  38. 1963VEI 2Osservata
    1963-03-17 – 1963-05-02
  39. 1960VEI 2Osservata
    1960-07-29 – 1962-11-16
  40. 1958VEI 2Osservata
    1958-02-01 – In corso
  41. 1951VEI ?Stima geologica
    1951-07-02 – In corso
  42. 1941VEI 2Osservata
    1941-01-26 – 1941-01-26
  43. 1937VEI ?Stima geologica
    1937-05 – In corso
  44. 1927VEI 2Osservata
    1927-07 – 1927-09-17
  45. 1919VEI 2Osservata
    1919-05-28 – In corso
  46. 1918VEI 2Osservata
    1918-07-21 – In corso
  47. 1915VEI 3Osservata
    1915-04 – In corso
  48. 1898VEI 3Osservata
    1898 – In corso
  49. 1878VEI 2Osservata
    1878 – In corso
  50. 1700VEI 2Osservata
    1700-03-11 – In corso

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