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Willekeurige foto 's
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. ... [meer...]
Satellite image of Poas volcano on 30 May 2019
Thursday, May 30, 2019
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [meer...]
 

Poas vulkaan

Stratovulkaan 2708 m (8,884 ft)
Costa Rica, 10.2°N / -84.23°W
Current status: restless (2 out of 5)
Poas webcams / Live-gegevens | Reports
Poas vulkaan boeken | Tours
Last update: 3 Oct 2019 (frequent phreatic eruptions)
Typical eruption style: Phreatic eruptions, sometimes geyser-like ejections of water from the acid crater lake.
Poas vulkaanuitbarstingen: 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
TijdMag. / DiepteAfstandLocatie
Wed, 16 Oct 2019
Wed, 16 Oct 03:33 UTCM 3.5 / 105 km24 km3 km al Oeste de La Virgen, Sarapiqui. (Costa Rica)
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.

Background:

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 Foto's:




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See also: Sentinel hub | Landsat 8
 

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