Jakarta: 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, according to the Volcanology and Geological Disaster Mitigation Center. The eruption occurred at 14:22 p.m. local time, spewing gray ash to the west of the crater.According to Namibia Press Agency, residents have been prohibited from engaging in activities within a 5-km radius of the crater and were advised to wear face masks when conducting activities outside. An aviation notice has been issued at the orange level, the second-highest warning, prohibiting flights around Mount Ibu.Standing at 1,325 meters, Mount Ibu is one of Indonesia's 127 active volcanoes.