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Diaporama
Rincón de la Vieja volcan
Complex volcano 1916 m (6,286 ft)
Costa Rica, 10.83°N / -85.32°W
Condition actuelle: Activité petite ou avertissement éruption imminente (3 sur 5)
Rincón de la Vieja webcams / données en temps réel | Reports
Rincón de la Vieja livres | Tours
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.)
Style éruptif tipique:

Explosive.


Derniers séismes proches
Derniers images satellite

Sentinel hub | Landsat 8
 

Rincón de la Vieja volcano, Costa Rica: activity updates

Rincon de la Vieja volcano (Costa Rica): moderate steam/ash eruption on 30 Jan 2020

samedi févr. 01, 2020 09:58 | AUTEUR : T

Rincon de la Vieja's eruption on 30 Jan 2020 (image: OVSICORI-UNA)
Rincon de la Vieja's eruption on 30 Jan 2020 (image: OVSICORI-UNA)
An moderate explosive eruption occurred at the volcano on 30 Jan 2020 at 12:13 local time, producing a steam and ash plume that rose approx. 2 km above the crater.
The event was likely another phreatic explosion, i.e. entirely driven by steam with no fresh magma involved, similar to the previous one on 2 Jan 23:18 local time this year.
Few days preceding Thursday's eruption OVSICORI-UNA had raised the alert level to 3, as the agency's monitoring system had been registering an increase in seismic activity involving volcanic tremor, small earthquake swarms and so-called tornillo signals interpreted to be caused by disturbances in the hydrothermal system.
No ground deformation was detected (as would be expected in case of rise of fresh magma).
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Source:
Actualités précédentes
vendredi, juin 23, 2017
OVSICORI-UNA reported that on 15 June a diffuse plume of mainly water vapor rose 50 m above Rincón de la Vieja's crater rim. A small hydrothermal explosion from the crater with the highly acidic lake was detected around noon on 18 June. ... [details]
mercredi, mai 24, 2017
A moderately large phreatic eruption occurred from the crater lake at 10:20 local time on 23 May 2017, producing a plume of steam and ash that rose 500-1000 m as well as a lahar that descended the northern flank. [details]

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