Indonesian authorities on Monday expanded the established danger zone around an erupting volcano that is lunging ash 9,800 feet into the atmosphere and whose explosions could be heard over seven miles away.
Experts said lava is welling up in the crater, sometimes reflected as a reddish-yellow incandescence in the ash plumes. The bureau created the volcano’s alert to the highest level early Monday and expanded the danger zone to six miles. It said that a larger eruption is possible.
Spokesman Sutopo Purwo Nugroho told a news conference in Jakarta that the extension of the danger zone affects 22 villages and about 90,000 to 100, 000 people. He said about 40,000 people have evacuated but others have not left because they feel safe or don’t wishes to abandon their livestock.
“Authorities will comb the region to persuade them, ” he said. “If required we will forcibly evacuate them.” About 25,000 people were already living in evacuation centers after an increase in tremors from the mountain in September sparked an evacuation.
Lava rising in the crater “will certainly spill out to the slopes, ” Sutopo said.
The volcano’s last major eruption in 1963 killed about 1,100 people.
The Indonesian calamity bureau called on 100,000 to evacuate and expanded the danger zone after the eruption of Mount Agung.
Authorities created the alert to the highest level on Monday following the increased activity over the weekend. The move to close the airport came after exams presented the volcano’s ash had reached its airspace, building it dangerous to fly.
Hundreds of flights were cancelled, leaving about 59,000 tourists stranded on the Island. The closure will continue until Tuesday, but officers said they are closely monitoring the situation and will determine every six hours whether the airport should remain closed.
“We now have to find a hotel and spend more of our fund that they’re not going to cover us for when we get home unfortunately, ” said Canadian tourist Brandon Olsen.
Officials at the Disaster Mitigation Agency said in a statement Monday that a volcanic eruption is “imminent” though the exact scale remains unclear.
“Continuing plumes of smoking are occasionally accompanied by explosive eruptions and the voice of weak explosions that can be heard up to 12 km( seven miles) from the peak, ” the statement read, according to Reuters.
“Rays of flame are increasingly visible from night to the following day. This indicates the potential for a larger eruption is imminent, ” it added.
The Associated Press Contributed to this report .
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