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Poas ηφαίστειο

Stratovolcano 2708 m (8,884 ft)
Κόστα Ρίκα, 10.2°N / -84.23°W
Current status: ανήσυχος (2 out of 5)
Last update: 20 Apr 2022 (Smithsonian / USGS Weekly Volcanic Activity Report)

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.

Διαδραστικός χάρτης
Typical eruption style: Phreatic eruptions, sometimes geyser-like ejections of water from the acid crater lake.
Poas ηφαίστειο εκρήξεις: 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
Lastest nearby earthquakes:
ΏραMag. / ΒάθοςΑπόσταση/Τοποθεσία
Τρίτη, 17 Μαΐου 2022 GMT (1 σεισμός)
16 Μαΐ 2022 23:23 (GMT -6) (17 Μαΐ 2022 05:23 GMT)
3.4

76 km
19 km (12 mi)
Provincia de Heredia, 33 km βόρεια από Σαν Χοσέ, Κόστα Ρίκα
Σάββατο, 14 Μαΐου 2022 GMT (1 σεισμός)
14 Μαΐ 2022 04:56 (GMT -6) (14 Μαΐ 2022 10:56 GMT)
3.1

15 km
111 km (69 mi)
24 km βορειοδυτικά από Πουέρτο Λιμόν, Κόστα Ρίκα
Παρασκευή, 13 Μαΐου 2022 GMT (1 σεισμός)
13 Μαΐ 2022 01:03 (GMT -6) (13 Μαΐ 2022 07:03 GMT)
3.4

6 km
28 km (17 mi)
15 km δυτικά από Σαν Χοσέ, San José, Κόστα Ρίκα
Παρασκευή, 6 Μαΐου 2022 GMT (1 σεισμός)
6 Μαΐ 2022 02:08 (GMT -6) (6 Μαΐ 2022 08:08 GMT)
3.4

6 km
26 km (16 mi)
Provincia de Heredia, 17 km βόρεια από Σαν Χοσέ, Κόστα Ρίκα
Πέμπτη, 5 Μαΐου 2022 GMT (1 σεισμός)
5 Μαΐ 2022 17:36 (GMT -6) (5 Μαΐ 2022 23:36 GMT)
3.2

9 km
28 km (17 mi)
16 km βορειοανατολικά από Σαν Χοσέ, Κόστα Ρίκα

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 Φωτογραφίες

Vulkan Poás in Costa Rica (Photo: Astrid_Furrer)
Vulkan Poás in Costa Rica (Photo: Astrid_Furrer)
 



See also: Sentinel hub | Landsat 8 | NASA FIRMS

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