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Ruta con Acivro. Travesía Soto de Sojambre-Ref. Vegabaño-Collado del Frade-Vega de Lós-Posada de Valdeón
Ruta con Acivro. Travesía Soto de Sojambre-Ref. Vegabaño-Collado del Frade-Vega de Lós-Posada de Valdeón
Der Pico del Teide manchmal auch Teyde, ist mit 3718 m die höchste Erhebung auf der Kanarischen Insel Teneriffa und der höchste Berg auf spanischem Staatsgebiet. Der Teide ist mit 7.500 Metern Höhe über dem Meeresboden der dritthöchste Inselvulkan der Erde. Er gehört zum Gemeindegebiet von La Orotava. 18.990 Hektar der Bergregion sind als Nationalpark ausgewiesen. Von 1996 bis 2011 schwankte die Besucherzahl zwischen 2,4 und 3,8 Millionen jährlich.[1] 2007 wurde das Gebiet des Parks von der UNESCO in die Liste des Weltnaturerbes aufgenommen. Der Pico del Teide ist ein Schichtvulkan. Seine Hänge sind kaum bewachsen. Er erhebt sich aus einer riesigen Caldera mit 17 Kilometer Durchmesser namens Las Cañadas. Nach früheren Vorstellungen entstand sie vor 170.000 Jahren aus einem älteren Vulkan, dessen entleerte Magmakammer in sich zusammenbrach. Heute wird jedoch angenommen, dass der südliche Rand der „Caldera“ das „Amphitheater“ einer Trümmerlawine ist, die nach Norden ins Meer rutschte. (Wikipedia)
Ruta con Acivro. Travesía Soto de Sojambre-Ref. Vegabaño-Collado del Frade-Vega de Lós-Posada de Valdeón
Ruta con Acivro. Travesía Soto de Sojambre-Ref. Vegabaño-Collado del Frade-Vega de Lós-Posada de Valdeón
Ruta con Acivro. Travesía Soto de Sojambre-Ref. Vegabaño-Collado del Frade-Vega de Lós-Posada de Valdeón
Pico viejo ó montaña de chachorra, es un volcán situado al lado del Teide, en la isla de Tenerife.Es el segundo pico más alto de las Canarias con 3135m, , una antigüedad de 200.000 años y estuvo en erupción en 1798 por ultima vez, durante tres meses.
Pico Viejo or Cachorra Mountain, is a volcano located next to the Teide in Tenerife island.It's the second highest peak in the Canaries with 3135m and 200,000 years old, was erupting for the last time in 1798 for three months.
sunset;
Mount Pico (Portuguese: Montanha do Pico), is a stratovolcano and highest point on the Portuguese island of Pico in the Azores. Further, reaching an altitude of 2,351 metres (7,713 ft) above sea level, it is more than twice the elevation of any other peak in the Azores, and the tallest mountain in Portugal.
History
Historical eruptions of Pico have occurred from vents on its flanks rather than the summit crater. In 1562–64, an eruption on the southeast flank produced lava flows which reached the sea. Another flank eruption in 1718 also produced flows which reached the coast. The most recent eruption occurred in December 1720.
On 29 September 2009 there were reports from local news sources that indicated that a fumarole existing at the pinnacle of the mountain (Piquinho) began emitting volcanic gaes. The region's seismic and volcanological monitoring centre (Portuguese: CIVISA Centro de Informação e Vigilância Sismovulcânica dos Açores) indicated that the phenomenon occurred in the early morning, turning intense and visible in various points throughout the island and from Faial. Although the event resulted from exceptional meteorlogical conditions and was visible in the Central Group, there was no liberation of anomalous volcanic gases and all other parameters fell within norms.
Geology
The landscape of the East Fissural Zone with some escoria cones
The pinnacle of the island and mountain: Pico Piquinho, also known as Pico Pequeno
The pit crater rim of Pico Alto on the summit of PicoMount Pico is part of the Madalena Volcanic Complex, one of three volcanological units that comprise the island of Pico, associated with three historic eruptions in 1562, 1718 and 1720. Current morphology suggests an age dating to the Holocene age, confirmed by radiocarbon dates younger than 6000 years. Structurally, this complex can be subdivided into two other sections: the Pico Volcano and the East Fissural Zone.
Pico is a stratovolcano, with a pit crater on its summit. Pico Alto the round crater about 500 meters (1,600 ft) in diameter and 30 meters deep tops the volcano, with Piquinho (Pico Pequeno) a small volcanic cone rising 70 meters within it to form the true summit. Meanwhile, the East Fissural Zone comprises several alignments of Hawaiian/Strombolian scoria cones and associated lava flows, which overflowed many of the cliffs, cut in older units and originated lava deltas (Portuguese: fajãs).
The tectonic structure is characterized by two fault systems.The main WNW-ESE structures are the dextral faults of Laoga do Capitão and Topo, that merge to the east, forming a narrow shallow graben. To the west, the graben is completely covered by the Pico stratovolcano occurring less than 10,000 years ago, and infilled by lava flows and cones of the Eastern Fissural zone, that includes many of the volcanic alignments and scarps. The second fault zone, running NNW-SSE, are markedly less in number and includes normal left lateral, oblique slip faults responsible for the main volcanic eruptions: the Lomba de Fogo-São João fault (basis of the 1718 eruption)and the Santo António volcanic alignment.
On top of Pico (Piquinho) there is an area of permanent degasification characterized by the emission of water vapour at a temperature of between 50ºC to 75°C. In addition, other vents also exist between 1,500 metres (4,900 ft) and 2,000 metres (6,600 ft) above sea level, as well as diffuse degasification along the graben between the Lagoa do Capitão and Topo faults. There is also a carbon dioxide-rich spring in the locality of Silveira (along the southern coast of Lajes do Pico, formed in the base of Pico.
Ruta con Acivro. Travesía Soto de Sojambre-Ref. Vegabaño-Collado del Frade-Vega de Lós-Posada de Valdeón
Tenerife.
Mount Teide or, in Spanish, Pico del Teide [ˈpiko ðel ˈtejðe], is the highest elevation in Spain and the islands of the Atlantic (it is the third largest volcano in the world from its base). It is an active volcano which last erupted in 1909 from the El Chinyero vent on the Santiago (northwestern) rift and is located on Tenerife, Canary Islands. The volcano and its surroundings comprise the Teide National Park (Parque Nacional del Teide in Spanish). en.wikipedia.org/wiki/Teide
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