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Mount Liamuiga

Liamuiga

Stratovolcano · Saint Kitts and Nevis · 1156m

The jagged eastern crater rim of Mount Liamuiga volcano, comprising the NW end of St. Kitts (St. Christopher) Island, conceals a steep-walled, 1-km-wide summit crater. The jagged peak at left center is a lava dome on the eastern crater rim forming the high point of the island. The most recent major eruptions at the volcano less than 2000 years ago produced pyroclastic flows and mudflows whose deposits underlie populated coastal areas. Reports of possible historical eruptions in 1692 and 1843 are considered uncertain.
The jagged eastern crater rim of Mount Liamuiga volcano, comprising the NW end of St. Kitts (St. Christopher) Island, conceals a steep-walled, 1-km-wide summit crater. The jagged peak at left center is a lava dome on the eastern crater rim forming the high point of the island. The most recent major eruptions at the volcano less than 2000 years ago produced pyroclastic flows and mudflows whose deposits underlie populated coastal areas. Reports of possible historical eruptions in 1692 and 1843 are considered uncertain. · Photo: Photo by Kirstie Simpson, 2001 (Seismic Research Unit, University of West Indies). · Wikimedia Commons
Type
Stratovolcano
Country
Saint Kitts and Nevis
Region
Middle America-Caribbean Volcanic Regions / Lesser Antilles Volcanic Arc
Elevation
1156m
Coordinates
17.370, -62.800
Last eruption
160
Tectonic setting
Subduction zone / Oceanic crust (< 15 km)
Landform
Composite
Major rock type
Andesite / Basaltic Andesite
Geological summary

Mount Liamuiga volcano, comprising the NW end of St. Kitts Island, contains a steep-walled, 1-km-wide summit crater, which contained a shallow lake until 1959. Two lava domes are located on the upper W flank, and intrusion of a 3rd dome, Brimstone Hill, on the lower SW flank uplifted a Pleistocene limestone block. Liamuiga, sometimes referred to as Mount Misery, is the youngest of three NW-migrating volcanic centers on St. Kitts. Its most recent major eruptions less than 2,000 years ago produced pyroclastic flows and mudflows whose deposits underlie populated coastal areas. Reports of possible eruptions in 1692 and 1843 are considered uncertain. An earthquake swarm from late 1988 to early 1989 caused small landslides in the summit crater; another earthquake swarm took place in 1999-2000. Active fumaroles are found in the summit crater.

From Wikipedia

Mount Liamuiga is a 1,156-metre (3,792 ft) stratovolcano which forms the north-western part of the island of Saint Kitts. The peak is the highest point on the island of Saint Kitts, in the federation of Saint Kitts and Nevis, and in the entire British Leeward Islands, as well as one of the tallest peaks in the eastern Caribbean archipelago. The peak is topped by a 1-kilometre (0.6 mi) wide summit crater, which contained a shallow crater lake until 1959. As of 2006, the crater lake had re-formed. The last verified eruptions from the volcano were about 1,800 years ago, while reports of possible eruptions in 1692 and 1843 are considered uncertain.

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Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
2010 BCE~1817 BCE · 1 eruptions · max VEI 483 BCE~109 · 1 eruptions · max VEI ?109~302 · 1 eruptions · max VEI 41650~1843 · 2 eruptions · max VEI ?2010 BCE1047 BCE83 BCE6871650

Detailed timeline

  1. 1843VEI ?Geological estimate
    1843-02-08 – Ongoing
  2. 1692VEI ?Geological estimate
    1692 – Ongoing
  3. 160 (±200 yrs)VEI 4Geological estimate
    160 – Ongoing
  4. 60 (±100 yrs)VEI ?Geological estimate
    60 – Ongoing
  5. 2010 BCE (±150 yrs)VEI 4Geological estimate
    BCE 2010 – Ongoing

External links

⚠ For reference only. Not for emergency response.