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Indonesia's Semeru volcano eruption triggers mass evacuations – video

Semeru volcano: 2,000 evacuated as Indonesia issues highest warning

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Eruption causes roads to close after volcanic ash rains down on Java island

A volcano has erupted in Indonesia, spewing a cloud of ash 15km into the sky and forcing the evacuation of nearly 2,000 people, authorities have said, as they issued their highest warning for the area in the east of Java island.

There were no immediate reports of any casualties from the eruption of the Semeru volcano and Indonesia’s transport ministry said air travel was not affected but notices had been sent to two regional airports for them to be vigilant.

“Most roads have been closed since this morning and now it is raining volcanic ash and it has covered the view of the mountain,” Bayu Deny Alfianto, a community volunteer, told Reuters by telephone from near the volcano.

Semeru, the tallest mountain on Java, erupted last year killing more than 50 people and displacing thousands.

Indonesia’s disaster mitigation agency (BNPB) said 1,979 people had been moved to 11 shelters and authorities had distributed masks to residents.

The Japan Meteorological Agency, which had initially been on alert for the possibility the volcano could trigger a tsunami, said the volcano’s plume of ash reached a height of 15km (50,000 feet).

The eruption, 400 miles (640km) east of the capital, Jakarta, follows a series of earthquakes in the west of Java, including one last month that killed more than 300 people.

Indonesia’s Center for Volcanology and Geological Hazard Mitigation, PVMBG, raised the level of volcanic activity to its highest level and warned residents not to approach within five miles (8km) of Semeru.

Hot ash clouds had drifted nearly 12 miles (19km) from the centre of eruption, it said.

The PVMBG chief, Hendra Gunawan, said a bigger volume of magma could have built up compared with previous eruptions of the volcano, in 2021 and 2020, which could mean greater danger for a bigger area.

In a video sent to Reuters by police in the area, villagers were seen moving away from the slopes of the volcano, some with belongings stacked on motorbikes. A damaged bridge was covered in volcanic ash.

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With 142 volcanoes, Indonesia is home to 8.6 million people living within 10km (six miles) of one – the world’s largest population living in close range of a volcano.

The deadly quake that hit West Java in late November was 5.6-magnitude but at a shallow depth. A 6.1-quake struck at a deeper depth on Saturday, sending people running from buildings, but it did not cause major damage or casualties.

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