Researchers hope to use satellite imagery and remote monitoring to track any further eruptions from the zone. This also gives a better understanding of how magma behaves in this very little-explored region.
Indonesia's Centre for Volcanology and Geological Disaster Mitigation has elevated the alert status of Mount Lewotobi in East Nusa Tenggara Province and expanded the danger zone as volcanic eruptions continue.
The volcano, situated in West Halmahera regency, expelled a column of ash that reached up to 3 km into the sky, and the resulting brown cloud drifted northwest of the volcano.
Kilauea, one of the world's most active volcanoes, started erupting again in Hawaii's Big Island, the US Geological Survey (USGS) Hawaiian Volcano Observatory said.
Mount Ibu, located in Indonesia's North Maluku province, erupted on Thursday, sending a column of ash up to 3 km high and prompting the second-highest aviation alert
The spokesman said the Unicef is awaiting government confirmation before transporting prepositioned emergency supplies from Fiji and Brisbane, Australia, warehouses.
The eruption of Merapi in the main island of Java was detected 2 km from the crater, according to the report.
"Together we can express our sorrow for those who have died and been hurt and our support for their grieving families and friends", Ardern added.
The volcano erupted on Monday afternoon when 47 tourists were visiting the privately-owned island located 48 km east of North Island.
The announcement comes as attempts to recover the eight people on the island who are missing, presumed dead and likely to be covered in ash.
