Indonesia fears new volcanic eruption at Mt Semeru | Volcanoes News

Indonesia fears new volcanic eruption at Mt Semeru | Volcanoes News




Authorities warn Mt Semeru could blow up again after an earlier eruption this month left 48 people dead.

Authorities in Indonesia have raised the alert level for the highest volcano on Java island, warning that Mount Semeru could blow up again after a sudden eruption earlier this month left 48 people dead.

Indonesia’s geological agency said on Saturday that it picked up increasing activity that could cause an avalanche of lava and searing gas, similar to the December 4 incident.

That eruption was preceded by heavy monsoon rains that slightly collapsed a lava dome on the 3,676-metre (12,060-foot) mountain.

Arifin Tasrif, minister for energy and mineral resources, said new areas could be affected in the case of another eruption.

That’s because about 8 million cubic metres (283 million cubic feet) of sand from the volcano’s crater was clogging the Besuk Kobokan River, which is in the path of the lava flow.

“As a consequence, if there is another eruption, it would block the flow path and create new lava flows spreading to the surrounding area,” Tasrif said, adding that the government had set up a new danger map and urged people to obey it.

The alert level was raised to the second-highest.

Rescuers dig out a damaged building, believed to be a mosque, during an operation at an area that was affected by the Mount Semeru volcano eruption in Sumberwuluh, Lumajang Regency, East Java province, Indonesia, December 10, 2021 [Willy Kurniawan/ Reuters]

The head of Indonesia’s Volcanology and Geological danger Mitigation Center, Andiani, said villagers living on Semeru’s high slopes are advised to stay 13 kilometres (8 miles) from the crater’s mouth.

She also stopped tourism and mining activities along the Besuk Kobokan watershed.

The search and rescue operations ended on Friday with 36 people nevertheless unaccounted for. More than 100 people were injured, 22 of them with serious burns.

More than 5,200 houses and buildings were damaged, said National Disaster Mitigation Agency spokesperson Abdul Muhari.

After visiting the area last week, President Joko Widodo pledged to rebuild infrastructure, including the main bridge connecting the worst-hit town of Lumajang to other cities, and move about 2,970 houses out of the danger zone.

Semeru, also known as Mahameru, has erupted many times in the last 200 years.

nevertheless, as on many of the 129 volcanoes observed in Indonesia, tens of thousands of people live on its high slopes. It last erupted in January, with no casualties.

Indonesia, an archipelago of more than 270 million people, is inclined to earthquakes and volcanic activity because it sits along the Pacific “Ring of Fire,” a horseshoe-shaped series of fault lines.

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