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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
Krakatau - 06.11.2019 - Sentinel-2 L1C nat. colors - one click to enlarge

Krakatau - 06.11.2019 - Sentinel-2 L1C nat. colors - one click to enlarge

According to the PVMBG, the seismicity of the last days shows a continuation of activity at Anak Krakatau.

On November 5th, 19 earthquakes of eruption and 78 breath earthquakes were reported.

On November 6, an earthquakeof eruption  and 71 breath earthquakes were recorded.

For November 7, an orange Vona was issued, following an eruption at 7:34 local, accompanied by a gray-white plume at 150 meters in height and a seismogrammic imprint of maximum amplitude. 40 mm, lasting 43 seconds; the daily total is 10 eruptions and 3 blasts earthquakes.

 

Sources: PVMBG, Magma Indonesia and Sentinel-2

Anak Krakatau - seismicity on 08.11.2019 - Doc. Magma Indonesia

Anak Krakatau - seismicity on 08.11.2019 - Doc. Magma Indonesia

The seismicity of Merapi is dominated by the number of hybrid earthquakes in recent days; the current alert is level 2 / waspada.

Merapi news has made a video of the evacuation simulation of two villages in the Shaman / Mangelang district in case the alert level goes to awas, under the aegis of the BPBD.

Link to the video: https://twitter.com/i/status/1192420200299188230

 

Sources: PVMBG & Merapi news

Merapi - summit and dome 07.11.2019 / 15h22 - photo Live Frekom Klangon

Merapi - summit and dome 07.11.2019 / 15h22 - photo Live Frekom Klangon

Merapi - activity of 07.11.2019 - Doc. PVMBG

Merapi - activity of 07.11.2019 - Doc. PVMBG

The activity does not weaken at Sakurajima, as evidenced by some episodes taken by the JMA this November 8: at 9 am, an ash plume is observed at 1,300 meters above the volcano, at 16:12, a plume of similar height is reported. The ashes dissipate in a southeasterly direction.

The JMA reports volcano inflation and a significant sulfur dioxide flux.

To note, the efforts of Kagoshima to give a positive image of the volcano, in terms of energy and heat .. the public relations put forward the hot springs and the productions of fruits and daikon, and the concept "Magma City" (Asahi)

 

Sources: JMA & VAAC Tokyo

Sakurajima - Volcanic ash advisory 07.11.2019 / 23h48 - Doc. VAAC Tokyo

Sakurajima - Volcanic ash advisory 07.11.2019 / 23h48 - Doc. VAAC Tokyo

Sakurajima - webcams and ash advisory of 08.11.2019 / 16:21 - Doc. JMA

Sakurajima - webcams and ash advisory of 08.11.2019 / 16:21 - Doc. JMA

Summaries of Phlegraean Fields, Ischia and Vesuvius activity are published, in addition to the monthly bulletins since the first quarter of 2019.

They allow to quickly visualize the main information recorded by the monitoring networks: alert level, seismicity, deformation and soil temperature, geochemistry of the fluids 

 

Source: INGV Osservatorio Vesuviano

Communication on the current state of the Phlegrean field caldera - Doc. INGV OV October 2019

Communication on the current state of the Phlegrean field caldera - Doc. INGV OV October 2019

Communication on the current state of Vesuvius - Doc. INGV OV October 2019

Communication on the current state of Vesuvius - Doc. INGV OV October 2019

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