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Vanuatu · Stratovolcano

Gaua

Type
Stratovolcano
Elevation
729m
Last eruption
2022
Gaua
Photo: NASA · Public domain · Wikimedia Commons
Type
Stratovolcano
Country
Vanuatu
Region
Southwestern Pacific / Vanuatu Volcanic Arc
Elevation
729m
Coordinates
-14.281, 167.514
Last eruption
2022
Tectonic setting
Subduction zone / Intermediate crust (15-25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

The roughly 20-km-diameter Gaua Island, also known as Santa Maria, consists of a basaltic-to-andesitic stratovolcano with an 6 x 9 km summit caldera.

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

From Wikipedia

Gaua is the largest and second most populous of the Banks Islands in Torba Province in northern Vanuatu. It covers 342 km2.

Wikipedia · CC BY-SA · Read full article →

Eruption history

19 recordedGlossary

Record summary

Confirmed eruptions
18
Uncertain eruptions
1
Span of confirmed record
1962 – 2022
Largest confirmed eruption
VEI 3 (1965)
Confirmed eruptions since 1900
18
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
1875~1890 · 1 eruptions · max VEI ?1949~1963 · 2 eruptions · max VEI 21963~1978 · 9 eruptions · max VEI 31978~1993 · 3 eruptions · max VEI 22007~2022 · 4 eruptions · max VEI 218751904194919782007

Detailed timeline

  1. 2022VEI 1Observed
    2022-05-03 – 2022-05-03
    Mt. Garet
  2. 2021VEI 1Observed
    2021-11-16 – 2021-11-16
    Mt. Garet
  3. 2011VEI 1Observed
    2011-09-17 – 2011-10-10
    Mt. Garat
  4. 2009VEI 2Observed
    2009-09-27 – 2010-06-19
    Mt. Garat
  5. 1982VEI 2Observed
    1982-04-18 – 1982-04-18
    Mt. Garat
  6. 1981VEI 1Observed
    1981-07-09 – 1981-07-09
    Mt. Garat
  7. 1980VEI 1Observed
    1980-07-02 – end unknown
    Mt. Garat
  8. 1977VEI 2Observed
    1977-04-13 – 1977-04-13
    Mt. Garat
  9. 1976VEI 2Observed
    1976-01-15 – end unknown
    Mt. Garat
  10. 1973VEI 2Observed
    1973-10-09 – 1974-01-21
    Mt. Garat (upper SE flank)
  11. 1971VEI 2Observed
    1971-05-12 – 1971-05-13
    Mt. Garat (upper SE flank)
  12. 1969VEI 2Observed
    1969-09-22 – end unknown
    Mt. Garat
  13. 1968VEI 2Observed
    1968-07-02 – 1968-12-01
    Mt. Garat (upper SE flank)
  14. 1967VEI 2Observed
    1967-07-16 – end unknown
    Mt. Garat
  15. 1966VEI 2Observed
    1966-07-02 – end unknown
    Mt. Garat
  16. 1965VEI 3Observed
    1965-09-27 – 1965-09-30
    Mt. Garat
  17. 1963VEI 2Observed
    1963-09-15 – 1963-11-09
    Mt. Garat (upper SE flank)
  18. 1962VEI 2Observed
    1962-07-16 – end unknown
    Mt. Garat
  19. 1875VEI ?Observed
    1875-06-16 – end unknown

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.