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Latest news:

miércoles, oct 17, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [Leer más]
miércoles, ago 15, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [Leer más]
 

Rincón de la Vieja volcano

Complex volcano 1916 m (6,286 ft)
Costa Rica, 10.83°N / -85.32°W
Current status: restless (2 out of 5)
Rincón de la Vieja webcams / datos en tiempo real | Reports
Rincón de la Vieja volcano books | Tours
Last update: 17 oct 2018
Typical eruption style:

Explosivos.


Erupciones del volcán Rincón de la Vieja: 1529(?), 1765, 1844, 1849, 1851(?), 1853-54, 1860, 1861-63, 1902(?), 1912, 1917(?), 1922, 1966-67, 1969, 1969, 1970, 1983, 1984, 1985-86, 1987, 1991-92, 1995, 1998 (Feb.-Sep.), 2011-2012, 2014, 2015-ongoing
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Thu, 27 Dec
Thu, 27 Dec 08:22 UTCM 3.4 / 50 km24 km3 km al Este de Bagaces, Guanacaste.
Tue, 18 Dec
Tue, 18 Dec 09:52 UTCM 2.7 / 137 km11 km6 km al Norte de Bijagua, Upala.
Fri, 14 Dec
Fri, 14 Dec 17:49 UTCM 2.6 / 4 km30 km4 km al Sur de Bagaces, Guanacaste.
Rincón de la Vieja is the largest volcano in NW Costa Rica and one of its most active ones.

Background:

It is a remote volcanic complex in the Guanacaste Range, consisting of an elongated, arcuate NW-SE-trending ridge that was constructed within the 15-km-wide, about 9,000 years-old Guachipelín caldera, whose rim is exposed on the south side.
Rincón de la Vieja, sometimes known as the "Colossus of Guanacaste," has an estimated volume of 130 cu km and contains at least 9 major eruptive centers.
Activity has migrated to the SE, where the youngest-looking craters are located. The twin cone of 1916-m-high Santa María volcano, the highest peak of the Rincón complex, is located at the eastern end of a smaller, 5-km-wide caldera and has a 500-m-wide crater.
A plinian eruption producing the 0.25 cu km Río Blanca tephra about 3500 years ago was the last major magmatic eruption from the volcano. All subsequent eruptions, including numerous historical eruptions possibly dating back to the 16th century, have been from the prominent crater containing a 500-m-wide acid lake (known as the Active Crater) located ENE of Von Seebach crater.
Source: GVP, Smithsonian Institution


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