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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
Sinabung - eruption of 06.04.2018 / 16h07 - photo F.Surbakti / via Beidar sinabung

Sinabung - eruption of 06.04.2018 / 16h07 - photo F.Surbakti / via Beidar sinabung

 Sinabung - eruption of 6 April 2018 / 16h11 LT - photo BNPB

Sinabung - eruption of 6 April 2018 / 16h11 LT - photo BNPB

Sinabung ... again, and again!

A strong eruption began on April 6 at 16:07 local / 9:07 UTC; she produced a plume of ashes that rose to about 7,460 meters asl. / 5,000 m above the summit, and pyroclastic flows on the ESE and SSE slopes, which have traveled 3,500 meters from the summit.

The eruption earthquake was recorded from 16:07 to 19:55.

The ash cloud has shifted to the southwest. A red VONA was quickly issued.

In the evening, the observation of incandescent projections, accompanied by a plume of ashes, shows a still intense activity.

Source: PVMBG, Magma Indonesia and BNPB
 

Sinabung - eruption of 06.04.2018 / 16h07 - development of three pyroclastic flows in different directions - photo F.Surbakti / via Beidar sinabung

Sinabung - eruption of 06.04.2018 / 16h07 - development of three pyroclastic flows in different directions - photo F.Surbakti / via Beidar sinabung

Sinabung - earthquake of the eruption - Doc. Magma Indonesia 06.04.2018

Sinabung - earthquake of the eruption - Doc. Magma Indonesia 06.04.2018

 Sinabung - 06.04.2018 / 16h53 - eruptive plume and ash dispersion - photo Endro Lewa

Sinabung - 06.04.2018 / 16h53 - eruptive plume and ash dispersion - photo Endro Lewa

Sinabung - eruption of 06.04.2018 / 16:07 - arrival of an ash wall on the surrounding countryside - photo F.Surbakti / via Beidar sinabung

Sinabung - eruption of 06.04.2018 / 16:07 - arrival of an ash wall on the surrounding countryside - photo F.Surbakti / via Beidar sinabung

Sinabung - night activity on 06.04.2018 - photo Sadrah Peranginangin

Sinabung - night activity on 06.04.2018 - photo Sadrah Peranginangin

In northern Maluku, the Dukono continues its activity, with this April 6 a thick gray-white plume reaching 500 to 900 meters above the crater.

The volcano remains alert 2 / Waspada, with a prohibition to approach the crater of Malupang Warirang within a radius of 2 km.

Source: PVMBG

Dukono - plume of the 06.04.2018 / 10h05 - photo Magma Indonesia / PVMBG

Dukono - plume of the 06.04.2018 / 10h05 - photo Magma Indonesia / PVMBG

Sernageomin has raised the technical alert level of the Lascar volcano in Amarilla, with a 2-kilometer zone around the main crater; this decision was made following the detection this week of volcano-tectonic Tornillo-type earthquakes, and the absence of night-time incandescence, normally observed ... which suggests the formation of small plugs in the magmatic column in the crater, and a probability of minor explosions.

Source: Sernageomin
 

The Lascar, located in the north-east of Chile - photo Gabriel Orozco / Sernageomin

The Lascar, located in the north-east of Chile - photo Gabriel Orozco / Sernageomin

In Guatemala, the Pacaya emits a slight white-bluish plume, extending to the south.

At the Mackenney crater there are Strombolian explosions, with expulsion of incandescent material 40 meters from the crater, and two lava flows: one towards the south, the other towards the southwest; both flows are about 200 meters long.

Tremor is recorded produced by constant degassing, rise of magma and explosions.

Sources: Insivumeh & Conred.
 

 Pacaya - Strombolian activity and lava flows - photo 05.04.2018 by courtesy of Berner Villela Fotografía / Facebook

 Pacaya - Strombolian activity and lava flows - photo 05.04.2018 by courtesy of Berner Villela Fotografía / Facebook

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