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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

Based on the analysis of the instrumental and visual data, and the consideration of potential dangers, the alert level of the Agung has reached the maximum: level IV / Awas.

Agung - night of 26.11.2017 - photo PVMBG

Agung - night of 26.11.2017 - photo PVMBG

The forbidden zone has been extended to a radius of 8 km, and to 10 km at NNE and SSO of the crater. These areas are dynamic and constantly evaluated; they include the villages of Ban, Dukuh, Baturinggit, Sukadana, Kubu, Tulamben, Datah, Nawakerti, Pidpid, Buanagiri, Bebandem, Jungutan, North Duda, Amerta Buana, Sebudi, Besakih and Pempatan.

The forbidden zone has been extended to a radius of 8 km, and to 10 km at NNE and SSO of the crater.

The forbidden zone has been extended to a radius of 8 km, and to 10 km at NNE and SSO of the crater.

The airport Ngurah Rai was closed initially until 28.11 in the morning, because of the ashes.

Following the rains, a first lahar was observed south of Agung in Sidemen district. It is advisable not to have activity around the river (BNPB)

The ashes fell in many places, covering the roofs and plants with a fatty layer; they are reported from the villages of North Duda, Duda Timur, Pempetan, Besakih, Sideman, Tirta Abang, Sebudi, Amerta Bhuana in the Klungkung District, and some villages in Gianyar.

Agung - first lahar on the southern flank of the volcano

Ash of Agung on the roofs of the surrounding villages - 26.11.2017 - photo Arta Tanaya Dewa Gede

Ash of Agung on the roofs of the surrounding villages - 26.11.2017 - photo Arta Tanaya Dewa Gede

The ashes of the eruption underway in Agung cover the vegetation - 26.11.2017 - photo Arta Tanaya Dewa Gede
The ashes of the eruption underway in Agung cover the vegetation - 26.11.2017 - photo Arta Tanaya Dewa Gede

The ashes of the eruption underway in Agung cover the vegetation - 26.11.2017 - photo Arta Tanaya Dewa Gede

During the evening of November 26, at 10 pm, the thick and gray plume rose up to 3,000 meters above the crater.

One photo shows two plumes, of a different color, possibly produced by two different vents, one emitting more ash, the other more steam. During the 1963 eruption, some researchers also thought about the existence of two vents.

Agung - 26.11.2017 / 16h GMT - incandescence and ash plume at 3,000 m. - photo BNPB

Agung - 26.11.2017 / 16h GMT - incandescence and ash plume at 3,000 m. - photo BNPB

Agung - 26.11.2017 - double plume, of ash and steam - photo Tribun Bali

Agung - 26.11.2017 - double plume, of ash and steam - photo Tribun Bali

Agung - seismic amplitude between 01.09 and 26.11.2017 - doc.PVMBG

Agung - seismic amplitude between 01.09 and 26.11.2017 - doc.PVMBG

The number of earthquakes is generally quite low, but the amplitude increases again.

Sources: PVMBG, Magma Indonesia, BNPB, local media

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