23 October 2017
09:00 local Bali time

Seismic activity on Mount Agung remains high, with deep tremors occurring between 500-600 times, shallow tremors at 350 times, and local tremors 60 times each day. Although these are high levels of frequency, the numbers are of a lower frequency than those recorded prior to October 18, 2017.

Gede Suantika, the head of the Volcano and Geological Disaster Mitigation division of the Ministry of Energy and Natural Resources, said on Friday, October 20, 2017:  “The peak frequency of tremors occurred on September 22 and 23. Now, the frequency (of tremors) has diminished slightly.”

The crater is still emitting sulfuric clouds.

Suantika confirmed that Mount Agung is showing signs of dilation or decreased swelling, but this decline is measured in micrometers. He said that while a slight “swelling” of the mountain is being recorded, his team has yet to see indications of a movement or concentration of magma moving towards to mountain’s crater. Adding: “Concentration of magma below the surface (of the volcano) is nol. There is no migration of magma.”

He went on to explain that the concentration of magma remains 5-10 kilometers beneath the surface. He also confirmed that the frequency of earth tremors has decreased, but that tremors are still being felt by his team during the two days prior to October 20, 2017.

In what may prove positive news, Suantika said there have been no tremors located directly beneath Mount Agung, with the seismic events taking place away from the volcano, in an area between Mount Agung and Mount Abang.

Mount Agung remains classified at the highest alert level of “IV” by the Center for Volcano and Mitigation for Geological Disaster (PVMBG) with an evacuation recommendation for a radius of 12-kilometers surrounding the volcano.

Emissions from the crater remain limited to a mixture of white sulfuric smoke and steam rising to an altitude of 100 meters above the Mountain's peak.

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Bali Tourism Hospitality
www.BaliTourismBoard.or.id/page/mountagung



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