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Monte Liamuiga

Liamuiga

Stratovulcano · Saint Kitts and Nevis · 1156 m

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. · Foto: Photo by Kirstie Simpson, 2001 (Seismic Research Unit, University of West Indies). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Saint Kitts and Nevis
Regione
Middle America-Caribbean Volcanic Regions / Lesser Antilles Volcanic Arc
Altitudine
1156 m
Coordinate
17.370, -62.800
Ultima eruzione
160
Contesto tettonico
Subduction zone / Oceanic crust (< 15 km)
Forma vulcanica
Composite
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

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.

Sintesi da Wikipedia

Il Monte Liamuiga è uno stratovulcano situato sull'isola di Saint Kitts che, con un'altitudine di 1156 metri s.l.m., rappresenta il punto più elevato di Saint Kitts e Nevis e dell'intero gruppo delle Isole Sopravento Settentrionali. Spesso è citato col vecchio nome di Monte Misery,che ha portato fino all'indipendenza dell'isola nel 1983. Il nome Liamuiga deriva dal caraibico Kalinago e significa "terra fertile".

Wikipedia · CC BY-SA · Leggi l'articolo completo

Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
2010 BCE~1817 BCE · 1 eruzioni · VEI max. 483 BCE~109 · 1 eruzioni · VEI max. ?109~302 · 1 eruzioni · VEI max. 41650~1843 · 2 eruzioni · VEI max. ?2010 BCE1047 BCE83 BCE6871650

Cronologia dettagliata

  1. 1843VEI ?Stima geologica
    1843-02-08 – In corso
  2. 1692VEI ?Stima geologica
    1692 – In corso
  3. 160 (±200 anni)VEI 4Stima geologica
    160 – In corso
  4. 60 (±100 anni)VEI ?Stima geologica
    60 – In corso
  5. 2010 a.C. (±150 anni)VEI 4Stima geologica
    BCE 2010 – In corso

Link esterni

⚠ Solo a scopo informativo. Non adatto a situazioni di emergenza.