Chaitén volcano (Chile): alert level raised, seismic unrest
vendredi mai 22, 2015 07:01 | AUTEUR : TThe alert level of the volcano was raised to "yellow", after an increase in seismic activity was detected.
Chaitén had a famous catastrophic plinian eruption in 2008, which followed centuries of quiescence and ended in the construction of a new lava dome.
mardi, déc. 24, 2013
A visitor sent us the following short update: "Today (as of 23 Dec) the volcano was rather calm; from the town, one can identify 9 areas of incandescence at the lava dome". ... lire toutes
lundi, déc. 23, 2013
The lava dome of the volcano has become more active recently. Incandescent spots are visible at night and a thermal anomaly is visible on satellite data. This suggests that new magma might be rising into the volcano. No explosive activity has (at least so far) occurred. ... lire toutes
vendredi, nov. 22, 2013
Increased seismic activity has been detected under the volcano, Chilean scientists reported. ... lire toutes
jeudi, nov. 12, 2009
Chaitén's lava dome continues its growth and can shed pyroclastic flows and produce ash eruptions at all times. The alert level remains at its highest (red). ... lire toutes
mardi, mars 10, 2009
On 24 February it was reported that a partial dome collapse of Chaitén's Domo Nuevo 1 lava-dome complex a large amount of material accumulated in the basal ring depression surrounding the dome complex and throughout the Blanco River valley. Steam plumes with little ash content and explosions were noted. ... lire toutes