Authorities have warned that the crater of Anak Krakatau, or child of Krakatau, remains fragile, raising fears of another collapse and tsunami, and have urged residents to stay away from the coast.
Mount Mayon continues to eject more lava and ash, while displacing 61,000 Filipinos since January 13, according to a fresh count by the country's disaster agency.
People have been ordered to leave a seven-kilometre danger zone around the crater following a "quiet explosion" as experts warn it may escalate into bigger eruption within days.
Bali's Mount Agung has been spewing volcanic ash reaching as high as 3,000 metres (9,800 feet) since the weekend forcing the city's international airport to stay shut for a second day.
"We need to monitor and be cautious over the possibility of a strong, explosive eruption," says Gede Suantika, an official at Indonesia's volcanology and geological disaster mitigation agency.
Mount Agung, 75 kilometres from the tourist hub of Kuta, has been shaking since August, causing fears it could erupt for the first time since 1963 and triggering the highest possible alert level eight days ago.
The Manaro Voui volacano in Vanuatu in the South Pacific Ocean and Mount Agung in eastern Bali could both erupt in any time.
Indonesian authorities raise the volcano's alert status to the highest level following a "tremendous increase" in seismic activity. Its last eruption in 1963 killed 1,100 people.
Mexico's most active volcano has been putting on a daily show of fireworks visible from the capital 60 kilometres away. But for those living on its slopes, it is a major cause for concern.
Hundreds of thousands of tourists flock to the Italian island to see Mt Etna's craters, which is Europe's most active and highest volcano.
National disaster authority says over 1,000 people have been removed to safety after popular hiking spot Mount Barujari erupted on Tuesday.
Six volcanoes erupt worldwide within the last 24 hours. Most of them continue to be active and have been erupting for days, some of them for weeks.
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