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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 : #volcanic activity

According to IG Peru, the eruptive process continues in Ubinas.

A decrease in seismic activity related to the rise of magma is recorded, but the satellite images indicate the presence of a hot magmatic body close to the surface, and emissions of bluish gas (magmatic gas) and steam vapor. water are observed.

The IG does not rule out the arrival of new explosions.

 

Sources: I.G.Peru & Sentinel-2

Ubinas - Sentinel-2 images in the visible and SWIR showing the hot spot in the crater and the emissions of gas and water vapor - Doc. IG Peru - one click to enlarge

Ubinas - Sentinel-2 images in the visible and SWIR showing the hot spot in the crater and the emissions of gas and water vapor - Doc. IG Peru - one click to enlarge

The eruptive activity of Anak Krakatau remains fluctuating with eruptions recorded on 17, 19, 22, 23 and 24 August 2019.

On the image of the webcam, a white degassing of gas and water vapor is visible this August 24 at 5:56.

Magma Indonesia issued various VONA / this 23rd of August:

- at 16:36 UTC / 23h36 local - duration 615 sec.

- at 17:41 UTC / 0h41 local - duration 5.739 sec.

- at 19:22 UTC / 0h22 local - duration 160 sec.

 

 

The status remains at 2 / waspada, with a 2 km forbidden zone.

 

Sources: PVMBG, Magma Indonesia and VAAC Darwin.

Anak Krakatau - activity table 23-24 August 2019 - Doc. PVMBG / Magma Indonesia

Anak Krakatau - activity table 23-24 August 2019 - Doc. PVMBG / Magma Indonesia

The strombolian activity on the crater terrace of Stromboli is slightly down. An aerial observation (Stefano Branca & Luigi Lodato, volcanologists INGV / helicopter of the coastguards of Catania) on August 23, showed the opening of many igneous mouths in this area.

 

Source: INGVvulcani

Stromboli - summit crateric area on 23.08.2019 - Photo INGVvulcani

Stromboli - summit crateric area on 23.08.2019 - Photo INGVvulcani

Stromboli - evolution of thermal anomalies on 20 and 24.08.2019 respectively - Doc.Mirova Modis
Stromboli - evolution of thermal anomalies on 20 and 24.08.2019 respectively - Doc.Mirova Modis

Stromboli - evolution of thermal anomalies on 20 and 24.08.2019 respectively - Doc.Mirova Modis

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