| Mount Ibu | |
|---|---|
 | |
| Highest point | |
| Elevation | 1,325 m (4,347 ft)1 |
| Listing | Ribu |
| Coordinates | 1°29′17″N 127°37′48″E / 1.488°N 127.63°E / 1.488; 127.63 |
| Geography | |
Mount Ibu Location of Mount Ibu in Indonesia | |
| Location | Halmahera, Indonesia |
| Geology | |
| Stratovolcano | |
| Last eruption | 21 May 2026 (ongoing as 25 May 2026)2 |
| Climbing | |
| Easiest route | 84 |
Mount Ibu (Indonesian: Gunung Ibu) is a stratovolcano at the north-west coast of Halmahera island, Indonesia. The summit is truncated and contains nested craters. The inner crater is 1 km (0.62 mi) wide and 400 m (1,312 ft) deep, while the outer is 1.2 km (0.75 mi) wide. A large parasitic cone is at the north-east of the summit and a smaller one at the south-west. The latter feeds a lava flow down the west flank. A group of maars are on the western and northern side of the volcano.1 Mount Ibu sits within the Pacific Ocean's "Ring of Fire" that has 127 active volcanoes.3
Latest activity
In August 2009, the Volcanological Survey of Indonesia raised the eruption alert level for Ibu to Orange/III.4
In 2023, a total of 21,100 eruptions were recorded from the volcano, making it the second most active volcano in Indonesia.5
On 16 May 2024, the Volcanological Survey of Indonesia raised its highest alert level (Red/IV) for Mount Ibu following another series of eruptions.6 As a result, seven villages were evacuated.7
On 1 June 2024, Mount Ibu erupted at 11:03 WIT (02:03 GMT) for 265 seconds, producing a five kilometer (3 mile) high ash plume that dispersed towards the southwest89 and deposited ash on the village of Gam Ici, where many evacuees displaced by previous eruptions had been relocated.10 The Volcanological Survey of Indonesia warned of a potential for flash flooding and lahar flow in the region, and recommended that people move at least seven kilometers (~4.35 miles) away from the crater.8
On 6 June 2024, Mount Ibu erupted three more times, producing ash clouds as tall as 1,200 meters (4,000 feet).11
On 11 January 2025, Mount Ibu erupted again, spewing hot lava and a towering column of smoke and ash reaching up to four kilometres.12 From 1 January to 19 January 2025, the volcano erupted 1,079 times, forcing authorities to raise its highest alert level again.13
References
References
- "Ibu". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-24.
- "Ibu Volcano eruption sent ash up to 14,000 ft yesterday".
- http://www.reuters.com/business/environment/indonesias-mount-ibu-erupts-disaster-agency-warns-possible-floods-cold-lava-flow-2024-06-01/
- Ibu alert "Orange"
- "North Maluku's Mount Ibu erupts again, sending ashes westward". Antara. 5 February 2024. Retrieved 28 April 2024.
- "Indonesia raises alert for Mount Ibu volcano to highest level following a series of eruptions". Antara. 16 May 2024. Retrieved 16 May 2024.
- "Eruption of Indonesia's Mt Ibu forces seven villages to evacuate". Reuters. 2024-05-19.
- "Indonesia's Mount Ibu erupts as disaster agency warns of possible floods, cold lava flow". Reuters. 1 June 2024. Retrieved 1 June 2024.
- Afifa, Laila (2024-06-01). "PVMBG Records Another Eruption of Mount Ibu in Maluku Today". Tempo. Retrieved 2024-06-01.
- "Indonesia's Mount Ibu erupts again, spewing thick, gray ash high into the air". Associated Press. 1 June 2024. Retrieved 2 June 2024.
- "Indonesia's Mount Ibu erupts 3 times, spewing lava and clouds of grey ash". AP News. 2024-06-06. Retrieved 2024-06-07.
- "Indonesia's Mount Ibu eruption sends lava, ash soaring 4 km into sky". India Today NE (in Hindi). 2025-01-12. Retrieved 2025-01-13.
- "Indonesia's Mount Ibu erupts more than 1,000 times this month". France 24. 2025-01-20. Retrieved 2025-01-20.