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Случайные фотографии
Latest news from Poas volcano:
Phreatic eruption at Poás on 30 Sep 2019 (image: OVSICORI_UNA webcam)
Thursday, Oct 03, 2019
OVSICORI-UNA reported that during 16-26 September sulfur dioxide emissions from Poás drifted W and NE, causing a sulfur odor in Alajuela, Heredia, San José, and Cartago. Acidic rain was recorded at the official’s house in the Poás Volcano National Park (PNVP) on 23 September and at Universidad Nacional Costa Rica (UNA) in Heredia on 26 September. ... [подробнее]
Спутниковое изображение вулкана Poas 30 May 2019
Thursday, May 30, 2019
Консультативный центр по вулканическому пеплу (VAAC) в Washington выпустил следующий отчет: ... [подробнее]
 

Poas вулкан

Стратовулкан 2708 m (8,884 ft)
Costa Rica, 10.2°N / -84.23°W
Текущее состояние: беспокойный (2 из 5)
Poas Веб-камеры / данные в реальном времени | Reports
Poas volcano books | Tours
Last update: 3 Oct 2019 (frequent phreatic eruptions)
Типичный извержения стиль: Phreatic eruptions, sometimes geyser-like ejections of water from the acid crater lake.
Poas Вулкан-извержения: 1828, 1834, 1838(?), 1860, 1879(?), 1880, 1888-91, 1895, 1898-1907, 1910, 1910, 1914, 1914-15, 1925, 1929, 1941-46, 1948-51, 1952-57, 1958-61, 1963, 1964-65, 1967, 1969, 1970, 1972-73, 1974-75, 1976, 1977, 1977-78, 1978, 1979-80, 1980, 1981, 1987-90, 1991, 1992, 1992-93, 1994, 1996, 2010, 2011, 2012, 2013, 2014, 2016, 2017
ВремяМагнитный / ГлубинаРасстояниеМестоположение
Tue, 17 Sep 2019
Tue, 17 Sep 15:30 UTCM 2.8 / 85 km4 km7 km al Este de Toro Amarillo, Valv. Vega. (Costa Rica)
Poás is one of Costa Rica´s most active volcanoes, and one of its most frequently visited and prominent ones. It contains a green acid crater lake and during some of its frequent phreatic eruptions, water from the lake is ejected like a geyser.

Справочная информация:

The broad, well-vegetated edifice of Poás has three craters in a N-S line. The 2708-m-high basaltic-to-dacitic complex stratovolcano is cut by a N-S-trending fissure that extends to the lower northern flank, where a parasite volcano (the Congo stratovolcano) and several explosion craters, or maars, most of them lake-filled, have been created.
Poás has two summit crater lakes. The southermost one, Botos, is cold, clear has not eruptied for about 7500 years. The other crater lake is geothermally heated and -after Kawah Ijen in Indonesia - is probably the world's second most acidic natural lake. Its pH is near zero.
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Source: GVP, Smithsonian Institution

Poas Фото:




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