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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
Mayon level 3 : incandescence and lava flows - photo 14.01.2018 Joshua Eric Velasco Dandal

Mayon level 3 : incandescence and lava flows - photo 14.01.2018 Joshua Eric Velasco Dandal

Mayon's rise in 24 hours: after three phreatic eruptions, and 158 episodes of rock falls between January 13 at 16:21 and January 14 at 19:25, the Mayon now shows a strong incandescence related to the growth of a dome and the beginning of lava flows on its southern flank.

As a result, the Phivolcs raised the alert level to 3, with a PDZ / permanent danger zone of 6 km radius, extended to 7 km on the southern flank.

(Phivolcs-DOST 14,01,2018 / 20h)
 

Mayon - pyroclastic flow this 15.01.2018 / 9:41 PST - photo Phivolcs

Mayon - pyroclastic flow this 15.01.2018 / 9:41 PST - photo Phivolcs

The Mayon produced this January 15 two pyroclastic flows, respectively at 9:41 and 10:05, seen from the observatory at Lignon Hill. At 11:07, a major episode of degassing was accompanied by a plume of ash 1,000 meters high, and low ash falls on twenty inhabited places.

Twelve thousand people have been evacuated and schools are closed.

We can deplore the theft of surveillance equipment, again last week ... which makes the task of volcanologists more difficult.

Sources: Phivolcs and local press

Kadovar - 13.01.2018, two separate eruptive plumes - photo Tweedy Malagian

Kadovar - 13.01.2018, two separate eruptive plumes - photo Tweedy Malagian

On Kadovar, the eruption continues. In its last Sunday bulletin, the RVO reports the presence of a lava dome at sea at the base of thick clouds of steam rising some 600 meters above sea level. A discoloration of the waters is also visible, generated either by an ongoing underwater eruption or by eruptive materials dispersed in the ocean.

Three of the Schouten Islands are affected by evacuations: Kadovar, Ruprup / Blupblup, and Bam / Biem

Three of the Schouten Islands are affected by evacuations: Kadovar, Ruprup / Blupblup, and Bam / Biem

As previously announced, displaced persons from Kadovar will be transferred from Ruprup to the main island. Additional resources were required for the evacuation of the neighboring island of Bam / Biem by Allan Bird, Governor of the East Sepik Province. It is unclear whether it is the fear of a tsunami potentially generated by an explosion or collapse on Kadovar, or an eruption on Bam (a plume of sulfur was reported near the south-west coast of Bam ) which motivated this evacuation decision of nearly 5,000 people. Only military will remain in place.

Sources: RVO; Reuters and Radio New Zealand
 

Agung - 15.01.2018 / 7:23 local - photo Magma Indonesia

Agung - 15.01.2018 / 7:23 local - photo Magma Indonesia

At the Agung, an eruption occurred this January 15 at 7:23 WITA; it was accompanied by a plume of gray ash rising to about 2,000 meters. A fine shower of ashes fell on Kesimpar.

The alert status remains at maximum level and Ngurah Rai airport is operating normally.

Source: BNPB

Santiaguito - white plume degassing at 2900m asl dir SE 14.01.2018 - photo Conred

Santiaguito - white plume degassing at 2900m asl dir SE 14.01.2018 - photo Conred

In Guatemala, the Santiaguito has weak explosions that generate ash plumes at 3,200 meters asl, interspersed with white plume degassing as high as 2,900 meters asl and dispersed to the southeast.

Source: Conred

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