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Earth of fire

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

Publié le par Bernard Duyck
Publié dans : #Actualités volcaniques

The activity of Sabancaya remains continuous, with last week, a slight increase and an average of 67 daily explosions, associated with plumes reaching 2,500 meters above the crater, and a dispersion of ashes over 50 km mainly in south-east and northeast direction.

Seismicity is dominated by LP earthquakes, associated with fluid motions, and emission tremors. A vertical deformation, between 4 and 8 mm, is observed northeast of the crater; the flow of sulfur dioxide peaks on December 15 at 3,143 tons / day.

Over the week, 4 thermal anomalies were spotted by Mirova; they have values ​​of 2 to 11 MW.

Source: IG Peru / OVI / Ingemmet

Sabancaya - summary of the activity from 18 to 24 December 2017 - Doc. IG Peru / OVI / Ingemmet

Sabancaya - summary of the activity from 18 to 24 December 2017 - Doc. IG Peru / OVI / Ingemmet

At Sinabung, an eruption on December 27 at 12:24 WIB generated a plume of ash rising to 2,800 m above the summit, accompanied by tremor for 480 sec.

Source: Magma Indonesia

Update : New eruption this 27 December 2017 at 15:36 WIB, accompanied by pyroclastic flows running 3500 m southeast and 4600 m southeast. The wind was blowing to the southeast.

Sinabung - 27.12.2017 / 12:24 WIB - photo Magma Indonesia

Sinabung - 27.12.2017 / 12:24 WIB - photo Magma Indonesia

2017.12.27 15h36 WIB Sinabung - phoyo Magma Indonesia

2017.12.27 15h36 WIB Sinabung - phoyo Magma Indonesia

2017.12.27 15h36 WIB Sinabung - photos Endro Lewa
2017.12.27 15h36 WIB Sinabung - photos Endro Lewa

2017.12.27 15h36 WIB Sinabung - photos Endro Lewa

In Chile, gas explosions continue at Nevados de Chillan. Sernageomin indicates a greater recurrence of nocturnal glow since December 20th.

The technical alert level remains in Amarilla.

Source: Sernageomin

Nevados de Chillan - nocturnal activity 20,22 and 23.12.2017 - doc.SernageominNevados de Chillan - nocturnal activity 20,22 and 23.12.2017 - doc.SernageominNevados de Chillan - nocturnal activity 20,22 and 23.12.2017 - doc.Sernageomin

Nevados de Chillan - nocturnal activity 20,22 and 23.12.2017 - doc.Sernageomin

Nevados de Chillan - screen of the volcano at the headquarters of Sernageomin

Nevados de Chillan - screen of the volcano at the headquarters of Sernageomin

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