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Papua New Guinea · Stratovolcano

Ritter Island

Type
Stratovolcano
Elevation
75m
Last eruption
2007
Ritter Island
Photo: Terra ASTER · Public domain · Wikimedia Commons
Type
Stratovolcano
Country
Papua New Guinea
Region
Southwestern Pacific / Bismarck Volcanic Arc
Elevation
75m
Coordinates
-5.519, 148.115
Last eruption
2007
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Basalt / Picro-basalt

Geological summary

Prior to 1888, Ritter Island was a steep-sided, nearly circular island about 780 m high between Umboi and Sakar Islands.

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

From Wikipedia

Ritter Island is a small, uninhabited, crescent-shaped volcanic island 100 kilometres (62 mi) north-east of New Guinea, in the Bismarck Sea, situated between Umboi Island and Sakar Island in the Morobe Province of Papua New Guinea (PNG) and close to New Britain island.

Wikipedia · CC BY-SA · Read full article →

Eruption history

12 recordedGlossary

Record summary

Confirmed eruptions
8
Uncertain eruptions
4
Span of confirmed record
1700 – 2007
Largest confirmed eruption
VEI 3 (1700)
Confirmed eruptions since 1900
4
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
1700~1731 · 1 eruptions · max VEI 31792~1823 · 1 eruptions · max VEI 21823~1854 · 1 eruptions · max VEI ?1854~1884 · 1 eruptions · max VEI ?1884~1915 · 3 eruptions · max VEI 21946~1976 · 2 eruptions · max VEI 11976~2007 · 3 eruptions · max VEI 217001761185419151976

Detailed timeline

  1. 2007VEI 1Observed
    2007-05-19 – 2007-05-21
  2. 2006VEI 1Observed
    2006-10-17 – 2006-10-17
  3. 2002VEI 2Method not stated
    2002-08-02 – 2002-08-02
  4. 1974VEI 1Observed
    1974-10-17 – 1974-10-17
    600-900 m W of Ritter Island
  5. 1972VEI 1Observed
    1972-10-09 – 1972-10-09
    West of Ritter Island
  6. 1888VEI 2Observed
    1888-03-13 – 1888-03-13
  7. 1887VEI 2Method not stated
    1887-02-02 – 1887-02-05
    Volcano Uncertain: Probably Ritter or Langila
  8. 1885VEI ?Method not stated
    1885-01-13 – end unknown
  9. 1878VEI ?Method not stated
    1878-12-31 – end unknown
  10. 1848VEI ?Method not stated
    1848-04-13 – 1848-07-10
  11. 1793VEI 2Observed
    1793-06-29 – end unknown
  12. 1700VEI 3Observed
    1700-04-03 – 1700-04-06

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.