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Actualités:

Rincon de la Vieja volcano covered by clouds from satellite (image: Sentinel 2)
jeudi, févr. 20, 2020
OVSICORI-UNA recorded at night on 17 February a small eruption associated with LP tremor. The number of LP events has generally decreased. Additionally, it was measured a extension with a inflation of volcanic edifice, but it is not significant. ... [details]
Rincon de la Vieja volcano from satellite (image: Sentinel 2)
vendredi, févr. 14, 2020
OVSICORI-UNA reported that seismic tremor has decreased over the past days. There is tendency to inflation of the volcano edifice. ... [details]
 

Rincón de la Vieja volcan

Complex volcano 1916 m (6,286 ft)
Costa Rica, 10.83°N / -85.32°W
Condition actuelle: en vigilance - niveau agité (2 sur 5)
Rincón de la Vieja webcams / données en temps réel | Reports
Rincón de la Vieja livres | Tours
Last update: 20 févr. 2020
Style éruptif tipique:

Explosive.


Eruptions du volcan 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.)
HeureMag. / DepthDistanceLocation
Tue, 25 Feb 2020
Tue, 25 Feb 21:58 UTCM 3.0 / 148 km16 kmCosta Rica
Rincón de la Vieja is the largest volcano in NW Costa Rica and one of its most active ones.

Introduction:

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


Derniers images satellite


See also: Sentinel hub | Landsat 8
 

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