Mount Ruang, a 725-meter (2,400-foot) volcano on Ruang Island, North Sulawesi, has been erupting in spectacular fashion on and off since mid-April, posing a growing threat to those living nearby and to air traffic in the region. Nearby schools have also been shut to protect children from volcanic ash, BNPB said. Video Ad Feedback Indonesia's Mount Ruang volcano continues to shoot volcanic ash 02:29 - Source: CNNMount Ruang is a stratovolcano, which are typically conical and relatively steep-sided due to the formation of viscous, sticky lava that does not flow easily. Volcanic ash from Ruang has reached eastern Malaysian airspace, Malaysia’s meteorological department said. Mount Ruang previously erupted in April, disrupting more than 200 flights on April 18 and 19 and affecting tens of thousands of passengers, officials said.

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Persons: Mount Ruang, Ruang, Sam, BNPB, ”, Muhammad Helmi Abdullah Organizations: CNN, Reuters, National Disaster Management Authority, International, Met Malaysia, Muhammad Helmi Abdullah Regional, Air Asia, “, Malaysia Airlines Locations: Mount, North Sulawesi, Manado, Ruang, Malaysian, Malaysia, Indonesia, Asia