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Papua New Guinea · Stratovolcano

Ulawun

Type
Stratovolcano
Elevation
2334m
Last eruption
2025
Ulawun
Photo: Unknown authorUnknown author · Public domain · Wikimedia Commons
Type
Stratovolcano
Country
Papua New Guinea
Region
Southwestern Pacific / Bismarck Volcanic Arc
Elevation
2334m
Coordinates
-5.050, 151.330
Last eruption
2025
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Basalt / Picro-basalt

Geological summary

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.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

From Wikipedia

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

Wikipedia · CC BY-SA · Read full article →

Eruption history

50 recordedGlossary

Record summary

Confirmed eruptions
47
Uncertain eruptions
3
Span of confirmed record
1700 – 2025
Largest confirmed eruption
VEI 4 (2019, the most recent of 2)
Confirmed eruptions since 1900
44
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
1700~1733 · 1 eruptions · max VEI 21863~1895 · 1 eruptions · max VEI 21895~1928 · 5 eruptions · max VEI 31928~1960 · 4 eruptions · max VEI 21960~1993 · 12 eruptions · max VEI 31993~2025 · 27 eruptions · max VEI 417001765186319281993

Detailed timeline

  1. 2025VEI 2Observed
    2025-03-27 – 2025-04-07
  2. 2023VEI 1Observed
    2023-03-28 – 2023-03-28
  3. 2023VEI 3Observed
    2023-07-18 – 2023-12-31
  4. 2022VEI 2Observed
    2022-06-02 – 2022-06-02
  5. 2021VEI 2Observed
    2021-07-09 – 2021-11-29
  6. 2019VEI 4Observed
    2019-06-26 – 2019-10-05
  7. 2018VEI 1Observed
    2018-06-08 – 2018-06-08
    Summit crater
  8. 2018VEI 2Observed
    2018-09-21 – 2018-10-12
    Summit crater
  9. 2017VEI 1Observed
    2017-06-11 – 2017-11-03
    Summit crater
  10. 2016VEI 1Observed
    2016-10-11 – 2016-11-18
    Summit crater
  11. 2013VEI 1Observed
    2013-07-08 – 2013-12-21
    Summit crater
  12. 2012VEI 1Observed
    2012-05-07 – 2012-05-31
    Summit crater
  13. 2012VEI 1Observed
    2012-11-06 – 2012-12-11
    Summit crater
  14. 2010VEI 2Observed
    2010-05-26 – 2011-05-27
    Summit crater
  15. 2007VEI 2Observed
    2007-05-01 – 2007-05-01
  16. 2007VEI 1Method not stated
    2007-12-25 – end unknown
  17. 2006VEI 2Observed
    2006-03-01 – 2007-01-18
  18. 2005VEI 2Observed
    2005-03-27 – 2005-08-09
  19. 2004VEI 2Observed
    2004-04-12 – 2004-04-14
  20. 2003VEI 2Observed
    2003-04-14 – 2003-10-10
  21. 2002VEI 2Observed
    2002-08-22 – 2002-11-03
  22. 2001VEI 3Observed
    2001-01-16 – 2001-05-03
    Summit and NNE flank
  23. 2001VEI 2Observed
    2001-08-28 – 2001-08-28
  24. 2000VEI 4Observed
    2000-09-28 – 2000-11-01
  25. 1999VEI 1Observed
    1999-10-20 – 1999-10-20
  26. 1994VEI 1Observed
    1994-04-19 – 1994-06-16
  27. 1993VEI 2Observed
    1993-01-12 – 1993-01-31
  28. 1989VEI 2Observed
    1989-01-01 – 1989-12-16
  29. 1985VEI 3Observed
    1985-11-17 – 1985-11-22
  30. 1984VEI 1Observed
    1984-08-23 – 1984-09-11
  31. 1984VEI 1Observed
    1984-12-30 – 1985-01-27
  32. 1983VEI 1Observed
    1983-11-06 – 1984-03-13
  33. 1980VEI 3Observed
    1980-10-06 – 1980-10-07
  34. 1978VEI 3Observed
    1978-05-07 – 1978-05-14
    Summit, lower east flank
  35. 1973VEI 2Observed
    1973-10-04 – 1973-10-19
  36. 1970VEI 3Observed
    1970-01-15 – 1970-02-11
  37. 1967VEI 2Observed
    1967-01-22 – 1967-12-28
  38. 1963VEI 2Observed
    1963-03-17 – 1963-05-02
  39. 1960VEI 2Observed
    1960-07-29 – 1962-11-16
  40. 1958VEI 2Observed
    1958-02-01 – end unknown
  41. 1951VEI ?Method not stated
    1951-07-02 – end unknown
  42. 1941VEI 2Observed
    1941-01-26 – 1941-01-26
  43. 1937VEI ?Method not stated
    1937-05-16 – end unknown
  44. 1927VEI 2Observed
    1927-07-16 – 1927-09-17
  45. 1919VEI 2Observed
    1919-05-28 – end unknown
  46. 1918VEI 2Observed
    1918-07-21 – end unknown
  47. 1915VEI 3Observed
    1915-04-16 – end unknown
  48. 1898VEI 3Observed
    1898-07-02 – end unknown
  49. 1878VEI 2Observed
    1878-07-02 – end unknown
  50. 1700VEI 2Observed
    1700-03-11 – end unknown

Nearby volcanoes

External links

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