AURSEEAursee · notable fire
Fire near Derby, Western Australia, Australia, September 2026
Detected · VIIRS 375 m (S-NPP, NOAA-20, NOAA-21) · -17.388, 123.109 · first seen 20 September 2026, 16:13 UTC
7,629 MWpeak summed radiative power, 22 Sep
221detections on that day
30 kmwidest extent of the group
3days in the record
First detected 20 September 2026, 16:13 UTC, 42 km W of Derby. Last detected 22 September 2026, 17:37 UTC.
Day by day
Summed radiative power per UTC day, MW.
| Day (UTC) | MW | Detections | Extent km | Night |
|---|---|---|---|---|
| 2026-09-20 | 5,799 | 468 | 30 | 55% |
| 2026-09-21 | 7,627 | 209 | 15 | 2.0% |
| 2026-09-22 | 7,629 | 221 | 17 | 8.0% |
MW is fire radiative power summed over every detection grouped into the fire in a 24-hour window, across three satellites. Extent is the width of the group of detections, not a mapped perimeter. Night is the share of detections from the night pass. How these are measured.
Related
- Fire history of AustraliaEvery year since 2012.
- Fires in Australia nowToday's fires, updated every hour.
- All notable firesEvery fire above 5,000 MW since the record began.
Fire alerts by email
Free. Pick a town and we email you when satellites detect fire within 30 km of it.