**Volcanic Ash Advisory: Ibu Volcano, Indonesia** **Date & Time:** * Advisory issued: 01:45 UTC on September 8, 2026 * Eruption observed: 00:17 UTC on September 8, 2026 * Ash cloud observed at: 01:20 UTC on September 8, 2026 **Event Summary:** * The Ibu volcano in Indonesia has erupted. * The source of the ash is the volcano itself, which has an elevation of 1325 meters. * The advisory is based on satellite imagery and reports from the Center for Volcanology and Geological Hazard Mitigation (CVGHM) in Indonesia. **Volcanic Ash Height:** * The volcanic ash cloud extends from the surface up to Flight Level 070. * This means the ash reaches up to approximately 7,000 feet (2,133 meters) above mean sea level. **Ash Movement & Direction:** * The ash cloud is moving north at a speed of 5 knots (approximately 9.3 kilometers per hour). **Forecast Ash Dispersion:** The forecast shows the ash cloud continuing to move northward over the next 18 hours. The cloud is expected to remain at the same height (surface to 7,000 feet). * **In 6 hours (by 07:20 UTC):** The ash cloud will be located to the north of the volcano. * **In 12 hours (by 13:20 UTC):** The ash cloud will be located further north. * **In 18 hours (by 19:20 UTC):** The ash cloud will be in a similar area to the 12-hour forecast. **Important Notes:** * The eruption is described as "intermittent and discrete," meaning it is occurring in separate, not continuous, bursts that can be seen on satellite images. * The information about the ash cloud's height and the forecast is based on ground reports and model guidance. **Next Update Information:** The next advisory will be issued no later than 07:45 UTC on September 8, 2026.