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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
Sheveluch - explosion of 01.10.2019 - photo Yu.Demyanchuk

Sheveluch - explosion of 01.10.2019 - photo Yu.Demyanchuk

Sheveluch - 01.10.2019 / 23:40 - ash plume and pyroclastic flow - webcam KVERT / A.Belousov

Sheveluch - 01.10.2019 / 23:40 - ash plume and pyroclastic flow - webcam KVERT / A.Belousov

In Sheveluch, KVERT observed a strong explosion on October 1 at 23:39 UTC. It was accompanied by a plume of ashes reported at an altitude of 9,000 meters asl., drifting to the ESE, and a pyroclastic flow that covered the west flank of the dome.

This activity continued on October 2nd, where an ash plume is reported between 6,500 and 7,500 meters asl altitude. The cloud drifted 485 km to the ESE, then east.

The aviation code is orange, and VAAC Tokyo transferred the responsibility for ash cloud tracking and alerts to VAAC Anchorage at around 5:50 am, following its displacement.

 

Sources: KVERT & VAAC Tokyo followed by VAAC Anchorage.
 

Sheveluch - volcanic ash advisory for 02.10.2019 by VAAC Tokyo and VAAC Anchorage
Sheveluch - volcanic ash advisory for 02.10.2019 by VAAC Tokyo and VAAC Anchorage

Sheveluch - volcanic ash advisory for 02.10.2019 by VAAC Tokyo and VAAC Anchorage

The Popocatépetl, in amarillo alert Fase 2, continues to testify to a sustained activity, with this October 2nd at 11am local, a total of 215 exhalations during the last 24 hours reported by the Cenapred.

Some 15 explosions are also reported, at 00:43, 01:28, 01:33, 01:50, 01:56, 02:38, 03:24, 03:27, 03:44, 04:07 and 06: 03.

The explosion of 04:07 was accompanied by an ash plume of about 2,000 meters and an expulsion of incandescent fragments that covered the east flank of the volcano; that of 06:03 emitted a plume of 1,500 meters in height. The ashes dispersed to the southwest, and falls are reported on the municipalities of Atlautla Ozumba, Ayapango and Ecatzingo.

The seismicity is characterized by 483 minutes of tremor, and two volcano-tectonic earthquakes of M 1,5 and 2,5, respectively at 16:53 and 00:19.

The safety zone remains in effect, with a radius of 12 km around the crater.

 

Sources: Cenapred & WebcamsdeMexico

Popocatépetl - explosive sequence of 02.10.2019 / 04h08 - webcamsdeMexico / Cenapred
Popocatépetl - explosive sequence of 02.10.2019 / 04h08 - webcamsdeMexico / Cenapred

Popocatépetl - explosive sequence of 02.10.2019 / 04h08 - webcamsdeMexico / Cenapred

Popocatépetl - eruptive plume  02.10.2019 / 7h17 - webcamsbyMexico / Cenapred

Popocatépetl - eruptive plume 02.10.2019 / 7h17 - webcamsbyMexico / Cenapred

VAAC Darwin issued an ash dispersion advisory on October 3 at 04:00 Z for Manam volcano in Papua New Guinea.

The ash plume moves north, on the satellite images, partially cloud-blurred, at flight altitude 100.

The aviation code is red.

 

Source: VAAC Darwin

 Manam - photo archive Quentin Talingapua 02.07.2019

 Manam - photo archive Quentin Talingapua 02.07.2019

Bonus for lovers of volcano stamps - Manam / PNG K3 and K6 stamps - via Mountain stamp - one click to enlargeBonus for lovers of volcano stamps - Manam / PNG K3 and K6 stamps - via Mountain stamp - one click to enlarge

Bonus for lovers of volcano stamps - Manam / PNG K3 and K6 stamps - via Mountain stamp - one click to enlarge

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