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Earth of fire

Actualité volcanique, Article de fond sur étude de volcan, tectonique, récits et photos de voyage

Publié le par Bernard Duyck
 Turrialba after the eruption of12.05.2016 - photo of Warren Rodríguez of the Escuela Centroamericana de Geologia UCR - RSN

Turrialba after the eruption of12.05.2016 - photo of Warren Rodríguez of the Escuela Centroamericana de Geologia UCR - RSN

After the strong eruption of May 12, the Turrialaba issued a vigorous plume of gas at the southeast crater; the presence of a small lake was reported during amanutention handling

During solar panels cleaning jobs, a volcanic bomb was found 450 m from the crater;  12 hours after his expulsion, it still has a temperature of 80 ° C.

 

Turrialba - description of the craters 05.12.2016 / 11:35 - Photo J.Barquero via LCA

Turrialba - description of the craters 05.12.2016 / 11:35 - Photo J.Barquero via LCA

Turrialba - cleaning solar panels and hot bombs recovered A450 m crater - photo F; Vega / Ovsicori

Turrialba - cleaning solar panels and hot bombs recovered A450 m crater - photo F; Vega / Ovsicori

 Turrialba - ash from the eruption on vegetation - photo J.Barquero

Turrialba - ash from the eruption on vegetation - photo J.Barquero

Fine ash, gathered around the Ovsicori-Una's facility in Heredia, were the subject of a petrological and geochemical analysis: they consist mainly of old weathered rocks, with a low content, estimated at about 5% , of small fragments millimeter of color, morphology and texture suggesting fragments of fresh lava.

The ash is acidic - pH 4.77 - and can acidify surface waters (lakes, ravines, containers or tanks) and make the fish unfit for consumption, both for humans than for tired animals.

Sources:
- Red Nacional Sismologica
- Osvicori - Dra. Maria Martinez C

Sinabung - the dome is always threatening on 05.12.2016 / 10:53 am - Photo Perjuman Berastepu Gmber via Beidar Sinabung
Sinabung - the dome is always threatening on 05.12.2016 / 10:53 am - Photo Perjuman Berastepu Gmber via Beidar Sinabung

Sinabung - the dome is always threatening on 05.12.2016 / 10:53 am - Photo Perjuman Berastepu Gmber via Beidar Sinabung

On the island of Sumatra, the Sinabung continues its activity with a dome threatening on May 12 and the panel of small explosions / pyroclastic flows caused by avalanches block on the 13mai.

The main danger for the populations remain possible lahars caused by heavy rains that remobilize ash; one of them resulted in the deaths of two people at the foot of the western slope of the volcano. (MetroTV news)

Sinabung - the 05.13.2016 / 3:33 p.m.. Wib - Photo Firdaus Surbakti - via Beidar Sinabung
Sinabung - the 05.13.2016 / 3:33 p.m.. Wib - Photo Firdaus Surbakti - via Beidar Sinabung

Sinabung - the 05.13.2016 / 3:33 p.m.. Wib - Photo Firdaus Surbakti - via Beidar Sinabung

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