The volcano erupted, a whole city was engulfed in black smoke

Indonesian officials said more than 25,000 people in the country had to evacuate after a series of eruptions of Sinabung volcano on the night of 11/1.

>>>Indonesian volcano rallied

Columns of ashes along with hot gas rising to 5km high and erupting lava flows threatened the surrounding environment and the lives of the neighborhood residents.

A spokesman for Indonesia's National Disaster Control and Mitigation Agency said the ashes of hot ash had spread about 4.5km to the southeast and 1km to the east, causing the entire city of Medan to suffer. covered in black smoke.

Sinabung volcano in Karo, in the North Sumatra of Indonesia continued to operate strongly, spraying ash pillars into the air.(Photo: AFP / VNA)

Dust ash, hot air and lava flow also affect the Berastepu River and some other rivers located in the southeast and south of the volcano because the lava flows have made the river water rise.

Authorities worry about affecting the serious environment in case of heavy rains, and recommend that people should evacuate to a radius of 5-7km and should not approach the above rivers.

The columns of smoke along with the ash of the volcano created a layer of 10cm thick ash covering many nearby villages, destroying thousands of hectares of crops and many vegetable fields and many other agricultural products.

Some villages were isolated due to ash and lava covered. Medan city is the place that suffered the most severe consequences from ash, people in the village were given gas masks to avoid the risk of air pollution.

Sinabung volcano is located in Karo district, North Sumatra, 2,457m high, has been active again since last September after sleeping for 400 years. By November and December, this volcano suddenly erupted strongly, forcing the authorities to expand the evacuation area from within 3km radius to 5km.