Jakarta, April 26 -- Mount Lewotobi in Indonesia's East Nusa Tenggara province erupted on April 25, prompting the Volcanology and Geological Disaster Mitigation Centre to issue an aviation warning and a safety advisory. The eruption sent a column of ash up to 3,500m into the sky, with thick grey-to-black clouds drifting westward and northwestward from the crater. To mitigate risks to aviation from volcanic materials, a volcano observatory notice for aviation was issued at the orange level, the second-highest alert, prohibiting aircraft from flying below 5km near the volcano. Pilots were also cautioned about ash clouds, which can disrupt flights. A safety advisory was issued to address potential risks to nearby communities, visitors, and t...