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Fotos al azar

Saba volcano

Stratovolcano 887 m / 2,910 ft
West Indies, Netherlands, 17.63°N / -63.23°W
Current status: normal or dormant (1 out of 5) | Reports
Saba volcano books
Typical eruption style: sin especificar
Erupciones del volcán Saba: 1640 (in or before) No hay terremotos recientes
Fecha / HoraRevista / ProfundidadDistanciaUbicación

Background:

Saba, the northernmost active volcano of the West Indies, is a small 5-km-diameter island forming the upper half of a large stratovolcano that rises 1500 m above the sea floor. Its eruptive history is characterized by the emplacement of lava domes and associated pyroclastic flows. The summit of the volcano, known as Mount Scenery (or The Mountain), is a Holocene lava dome that overtops a major collapse scarp that formed about 100,000 years ago. Flank domes were constructed on the SW, SE, east, and NE sides of the island near the coast. A large andesitic lava flow entered the sea on the NE flank, forming the Flat Point Peninsula, the only site level enough on which to locate the island's airport. The village of The Bottom overlies pyroclastic-surge deposits that contain European pottery fragments and were radiocarbon dated at 280 +/- 80 years before present. The village was settled in 1640 on grassy meadows on the volcano's flanks reflecting initial vegetation recovery following destruction of tropical rainforests by pyroclastic flows and surges. Lava dome growth may also have occurred during this SW-flank eruption.
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Smithsonian / GVP volcano information


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