Peatland in Nunukan
Nunukan has about 123.9 thousand ha of peatland on the Ministry of Agriculture's peat map, 8.7% of its area.
Depth and function
The Ministry of Environment and Forestry's 1:50,000 peat ecosystem function map covers 983 ha of peat here. 181 ha is designated for protection, mostly because the peat is deeper than 3 metres, and 802 ha for cultivation. The deepest peat on record here reaches 4 metres.
| Class | Area | Share |
|---|---|---|
| Shallow (0.5โ1 m) | 232 ha | 23.6% |
| Moderate (1โ2 m) | 313 ha | 31.8% |
| Deep (2โ3 m) | 257 ha | 26.1% |
| Very deep (> 3 m) | 181 ha | 18.4% |
Peat hydrological units (KHG)
This area touches 1 peat hydrological units (KHG) with detailed boundaries. A KHG is one peat ecosystem between two rivers, or between a river and the sea, managed as a unit under Government Regulation 57/2016.
Fires on peat
Since 2012 the VIIRS satellites have recorded 55 heat detections on peat in this area. The worst year was 2015, with 9.
Since 7 October 2026: 0 confirmed fires on peat, from six-sensor satellite monitoring that started that day.
No confirmed fire is active in this area right now.
Official hazard maps
KLHK forest and land fire hazard map (1:250,000)
| High | 135.8 thousand ha | 9.6% |
| Moderate | 689.3 thousand ha | 48.6% |
| Low | 591.4 thousand ha | 41.7% |
Updated 16 October 2026.