Mount Sinabung in North Sumatera is still at the level of IV or alert.
At 08:53 pm this time, Sinabung re-spewed volcanic dust that is thick enough.
"From our observations, the height of the ash column Sinabung reaches 5000 meters." Head of Post Monitor Sinabung Armen Son, Monday (19/2/2018).
Armen said, there was a small earthquake when Sinabung launched volcanic ash, an earthquake occurred for approximately 607 seconds.
Sectoral sliding distance leads to South-southeast with a height of 4900 meters. While the direction of Southeast-East reached 3500 meters with an amplitude of 120 millimeters, "he said.
Based on observations, the wind direction blows weakly to the South-West. Thus, Tiganderket Sub-district, Tanah Karo District is currently covered with dust.
Temporary information, the Tiganderket area is not only covered with dense dust. However, this region is exposed to the slide of small stones carried by the wind as the volcanic ash slide occurred.
especially the areas close to Sinabung are advised not to do the activity at this time. The five kilometer radius is a red zone.
