São Miguel Island: Difference between revisions
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The peak area between Sete Cidades and Fogo is a [[monogenetic volcanic field]] composed of 270 volcanoes. They are primarily made up of [[basaltic]] cones which were formed during Strombolian and Hawaiian-style eruptions. It is the most recently active area of the island. The youngest volcanoes are relatively well dated. It is possible to count 19 eruptions which have occurred 3,000 years ago. One eruption was historical and is known as Fogo 2, it occurred in [[1652]]. |
The peak area between Sete Cidades and Fogo is a [[monogenetic volcanic field]] composed of 270 volcanoes. They are primarily made up of [[basaltic]] cones which were formed during Strombolian and Hawaiian-style eruptions. It is the most recently active area of the island. The youngest volcanoes are relatively well dated. It is possible to count 19 eruptions which have occurred 3,000 years ago. One eruption was historical and is known as Fogo 2, it occurred in [[1652]]. |
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The highest elevation on São Miguel is the [[Pico da Vara]] with 1 |
The highest elevation on São Miguel is the [[Pico da Vara]] with 1,103m. |
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==Cities and towns:== |
==Cities and towns:== |
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Revision as of 06:51, 17 July 2007
São Miguel Island (pron. IPA: [sɐ̃ũ mi'gɛɫ]; Portuguese for Saint Michael), nickname "Green Island", is the largest and most populous of the Azores Islands. The island covers 759 km² (293 sq mi) and has around 140,000 inhabitants (called Micaelenses); the largest town is Ponta Delgada, with about 30,000 inhabitants.
Geography
São Miguel is 90 km from east to west, and between 8 and 15 km wide. Named the "Green (Verde) Island", São Miguel is largely covered with fields and meadows in the lowlands, and laurisilva forests in the hills. Geysers and hot springs (caldeiras) are spread over the island, which is composed of an old solid mass that stretches from Povoação to Nordeste. São Miguel has 3 stratovolcanoes and caldeiras, Sete Cidades, Agua de Pau and Furnas. The volcanic masses are connected between the alignments of the cone-like mass that are made up of peaks.
The peak area between Sete Cidades and Fogo is a monogenetic volcanic field composed of 270 volcanoes. They are primarily made up of basaltic cones which were formed during Strombolian and Hawaiian-style eruptions. It is the most recently active area of the island. The youngest volcanoes are relatively well dated. It is possible to count 19 eruptions which have occurred 3,000 years ago. One eruption was historical and is known as Fogo 2, it occurred in 1652.
The highest elevation on São Miguel is the Pico da Vara with 1,103m.
Cities and towns:
Municipalities
History
São Miguel was the first of the Azores islands to have Portuguese settlement in 1433.
Originally, São Miguel was two islands. In 1563, the island was joined by a volcanic eruption.
For geological and historical reasons São Miguel is mentioned as the location of the mythical island of Ogygia.
References
- Scarth, Alwyn (2001). Volcanoes of Europe. Oxford University Press. pp. 243 pp. ISBN 0-19-521754-3.
{{cite book}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - Global Volcanism Program: Azores
External links
| Grupo Oriental (Eastern Group) |  | |
|---|---|---|
| Grupo Central (Central Group) | ||
| Grupo Ocidental (Western Group) | ||
| Islets | ||
| Caves and geological features | ||
| Reefs, banks and seamounts | ||
