"Volcanic ash from the eruption, with an amplitude of 10 mm and a duration of three to nine seconds, billowed to the west and northwest of the mountain," Armen Putra, head of the Mount Sinabung Observation Post, noted here on Friday.
The emergency status of the 2,460-meter-high Mount Sinabung is declared at Level III (alert).
Putra called on residents to not conduct activities in villages that have been relocated and at locations within a three-km radius from the mountain's peak, five-km radius for the south-east sector, and four-km radius for the east-north sector.
When the eruption produces ash rain, the residents are advised to wear masks while venturing outside, securing clean water facilities, and clearing volcanic ash from the roofs of houses.
"People living near the rivers that disgorge in Mount Sinabung are also urged to remain vigilant to the potential dangers of lava," Putra noted. Related news: Mt Sinabung erupts twice, hot clouds spread over 3,000 m
Related news: Mt Sinabung erupts again, hot clouds spread over 2 km
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Translator: Nur Aprilliana Br. Sitorus, Ka
Editor: Suharto
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