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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

Without communications with the PVMBG, the news of Bromo, on the island of Java, are provided by Kompas TV.
An eruption on March 12 was accompanied by a thick plume of ash rising to 700 meters, moving west and southwest; the cloud would reach an altitude of more than 3,000 meters.

The activity level, at 2 / Waspada, has a safety zone of one kilometer around the crater.

 

Source: Kompas TV

Mayon - phreatic episode of 07.03.2019 - Doc. Phivolcs

Mayon - phreatic episode of 07.03.2019 - Doc. Phivolcs

 Mayon - Hot spot in the crater on this image Sentinel 2 image bands 12,11,4 of 11 March 2019

Mayon - Hot spot in the crater on this image Sentinel 2 image bands 12,11,4 of 11 March 2019

In the Philippine archipelago, Mayon was the site of three eruptive phreatic episodes on March 12, respectively at 3:10 pm, 3:18 pm and 3:34 pm; three volcanic earthquakes accompanied these explosions, which generated small plumes of ash at 500 m., 1,000 m. and 500 m above the summit, then drifted southwest.
Emissions of gas and steam have been observed from early morning until early afternoon, initially creeping, then rising 250 meters above the summit.

Nighttime glow could be observed.

The alert level is at 2 / level of moderate instability.

 

Source: Phivolcs

Mt. Aso - archive image 08.10.2016 / survol JMA

Mt. Aso - archive image 08.10.2016 / survol JMA

The JMA has raised the alert level of the Mt.Aso to 2 / do not approach the crater, following a sharp rise in volcanic gas emissions; they went from 1,600 tons / day the previous week to 4,500 tons / day on March 12th.

Volcanic earthquakes are also increasing.

Between March 11 and 3 pm on March 12, the steam plume rose up to 400 meters above the edge of the crater.

 

Source: Japan Meteorological Agency

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