Mount Ruang spewed lava and and ash on April 17, seen from Sitaro, North Sulawesi. It also triggered lightning in the ash cloud -- a common phenomenon in powerful volcano eruptions.

After Mount Ruang's April 17 eruption, authorities warned that a subsequent eruption might collapse part of the volcano into the sea. Ruang is among about 130 active volcanoes in Indonesia.

Agency chief Hendra Gunawan said officials had raised the volcano alert to the highest level, warning people not to go within 6 kilometers (3.7 miles) of the peak, due to fears Mount Ruang could ...

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 ...

Indonesia's Ruang volcano erupts, more than 12,000 people evacuated By Reuters April 30, 20249:48 PM PDTUpdated April 30, 2024 ...