St. Lucia · Caldera
Qualibou
- Type
- Caldera
- Elevation
- 777m
- Last eruption
- 1766
- Type
- Caldera
- Country
- St. Lucia
- Region
- Middle America & Caribbean / Lesser Antilles Volcanic Arc
- Elevation
- 777m
- Coordinates
- 13.830, -61.050
- Last eruption
- 1766
- Tectonic setting
- Subduction zone / Oceanic crust (< 15 km)
- Landform
- Caldera
- Major rock type
- Andesite / Basaltic andesite
Geological summary
The Qualibou caldera on the SW side of St. Lucia provides the setting for the Pitons, two steep-sided pre-caldera lava domes that form one of the scenic highlights of the West Indies.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Qualibou, also known as the Soufrière Volcanic Center, is a 3.5 × 5 km-wide caldera on the island of Saint Lucia that formed between 32,000 and 39,000 years ago. This eruption also formed the Choiseul Tuff which covers the southeastern portion of the island.
Wikipedia · CC BY-SA · Read full article →
Eruption history
1 recordedGlossaryRecord summary
- Confirmed eruptions
- 1
- Uncertain eruptions
- 0
- Span of confirmed record
- 1766 – 1766
- Largest confirmed eruption
- VEI 1 (1766)
- Confirmed eruptions since 1900
- 0
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
Detailed timeline
- 1766VEI 1Observed1766 – end unknownSulphur Springs area
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.