Indonesia's Mount Lewotobi Laki-laki spews 11km-high ash cloud after eruption
The agency also said it had raised the alert level of the volcano to the most dangerous, warning of potential lava flows if it rains heavily.
Lewotobi Laki-laki's last eruption was in May, when authorities also raised the level to the most severe.
Images shared by the agency on Tuesday showed an orange ash cloud in the shape of a mushroom engulfing a nearby village.
It is not immediately clear if there have been flight disruptions. When Lewotobi Laki-laki erupted in March, airlines were forced to cancel and delay flights to Bali, including Australia's Jetstar and Qantas Airways.
Indonesia's search and rescue agency, as well as its disaster mitigation agency, which oversees evacuation, did not immediately respond to a request for comment.
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