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KRAKATAU CRATER. Plumes rise from Mount Anak Krakatau as it erupts in the Java Strait in Indonesia. A deadly tsunami followed the eruption and apparent undersea landslide on the volcano, gushing ashore without warning during a busy holiday weekend. (Nurul Hidayat/Bisnis Indonesia via AP)
From The Asian Reporter, V29, #01 (January 7, 2019), page 5.
Anak Krakatau volcano now a quarter of its pre-eruption size
JAKARTA, Indonesia (AP) — Scientists say Indonesia’s Anak Krakatau volcano island, which erupted and collapsed in December triggering a deadly tsunami, is now only about a quarter of its pre-eruption size.
Anak Krakatau now has a volume of 1.4 billion to 2.4 billion cubic feet and lost 5.2 billion to 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.
The analysis shows the scale of the island’s collapse, shedding light on the power of the tsunami that crashed into more than 186 miles of coastline in Sumatra and Java. More than 420 people died in the waves that were 6.6 feet or higher and 40,000 were displaced.
The center said the crater peak was 360 feet high compared with 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 just shy of 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 Krakatau, is the offspring of the infamous Krakatau volcano whose monumental eruption in 1883 triggered a period of global cooling.
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