Nevis Peak, St. Kitts and Nevis

By ExploreNow Editor, on May 16th, 2012%

Volcano Type: Stratovolcano
Volcano Status: Holocene
Last Known Eruption: Unknown
Summit Elevation: 985 m   3,232 feet
Latitude: 17.15°N   17°9’0″N
Longitude: 62.58°W   62°35’0″W

The conical island of Nevis, lying across a narrow channel from St. Kitts (St. Christopher) Island, is a composite cone with overlapping summit craters. An unnamed lava dome is located NE of the rims of the two craters. Nevis Peak, the 985 m high point of the island, is located on the outer crater rim. The inner crater truncates the western rim of the earlier crater and is widely breached on the west side.

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Originally posted 2010-10-06 08:00:55.

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Mount Liamuiga, St. Kitts and Nevis

By ExploreNow Editor, on April 28th, 2012%

Mount Liamuiga

Volcano Type: Stratovolcano
Volcano Status: Radiocarbon
Last Known Eruption: 160 AD ± 200 years
Summit Elevation: 1156 m   3,793 feet
Latitude: 17.37°N   17°22’0″N
Longitude: 62.80°W   62°48’0″W

Liamuiga Volcano is located at the NW end of St. Kitts Island. Two lava domes are located on the upper western flank. The most recent major eruptions less than 2000 years ago produced pyroclastic flows and mudflows. Fumaroles are active in the summit crater.

The interior walls of Mount Liamuiga (Don Kelloway)

The interior walls of Mount Liamuiga (Don Kelloway)

The central cone consists of basalt and andesite lavas, and the lower ground around the cone is made up of mainly pyroclastic deposits. Eruptive rocks from Mt Liamuiga range from basalt to andesite, with basalts and basaltic andesites making up 30% of the total volume. Mt Liamuiga rocks show phenocryst distributions and compositional ranges that are comparable with those found in other Lesser Antilles volcanoes.
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Originally posted 2010-10-06 07:55:26.

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