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Natural disasters

Japanese volcano spews plumes of ash, people warned away

Kyushu's Mount Aso expected to shower nearby towns till late afternoon

A video grab from the Japan Meteorological Agency's live camera image shows Mount Aso's eruption in southwestern Japan on Oct. 20. (Photo by Japan Meteorological Agency via Reuters)

TOKYO (Reuters) -- A volcano erupted in southwestern Japan on Wednesday, blasting ash several kilometers into the sky and prompting officials to warn against the threat of lava flows and falling rocks, but there were no immediate reports of casualties or damage.

Mount Aso, a tourist destination on the main southern island of Kyushu, sent plumes of ash 3.5 km high when it erupted at about 11:43 a.m., the Japan Meteorological Agency said.

It raised the alert level for the volcano to 3 on a scale of 5, telling people not to approach, and warned of a risk of large falling rocks and pyroclastic flows within a radius of about 1 km (0.6 mile) around the mountain's Nakadake crater.

The government is checking to determine the status of a number of climbers on the mountain at the time, Chief Cabinet Secretary Hirokazu Matsuno told reporters, but added that there were no reports of casualties.

Television networks broadcast images of a dark cloud of ash looming over the volcano that swiftly obscured large swathes of the mountain.

Ash falls from the 1,592-metre (5,222-foot) mountain in the prefecture of Kumamoto are expected to shower nearby towns until late afternoon, the weather agency added.

Mount Aso had a small eruption in 2019, while Japan's worst volcanic disaster in nearly 90 years killed 63 people on Mount Ontake in September 2014.

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