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Deadly volcano Anak Krakatau loses three quarters of size since eruption

The center said that the crater peak was 110 meters (360 feet) high as of Friday compared with 338 meters (1,108 feet) in September.  

Edited by: India TV News Desk, New Delhi [ Published on: December 29, 2018 16:17 IST ]
Image Source : AP

Deadly volcano Anak Krakatau loses three quarters of size since eruption

Indonesia’s Anak Krakatau volcano island, which erupted and collapsed a week ago triggering a deadly tsunami, is now only about a quarter of its pre-eruption size, scientists have analysed. The island, which was created inside the crator of aother volcano in 1928, 150-180 million cubic meters (5.2 billion-6.3 billion cubic feet) of volume since the December 22 eruption and tsunami, according to Indonesia’s Center for Volcanology and Geological Disaster Mitigation.

Anak Krakatau now has a volume of 40-70 million cubic meters (1.4 billion-2.4 billion cubic feet), the centre said.

The analysis shows the scale of the island’s collapse, shedding light on the power of the tsunami that crashed into more than 300 kilometers (186 miles) of coastline in Sumatra and Java. More than 420 people died in the waves that were 2 meters (6.6 feet) or higher and 40,000 were displaced.

The center said that the crater peak was 110 meters (360 feet) high as of Friday compared with 338 meters (1,108 feet) in September.

Experts have largely relied on satellite radar images to work out what happened to the volcano because cloud cover, continuing eruptions and high seas have hampered inspections. The center said it would get more precise results from more visual inspections.

Authorities have warned residents to stay a kilometre (less than a mile) away from the coastline of the Sunda Strait, which separates Java and Sumatra, because of the risk of another tsunami.

But experts now say another potential tsunami triggered by the volcano collapsing again would be less severe due to its reduced mass.

Anak Krakatau, which means Child of Kratakau, is the offspring of the infamous Krakatau volcano whose monumental eruption in 1883 triggered a period of global cooling.

(WIth inputs from AP)

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