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Wildfires in Yamagata Prefecture
Detected · VIIRS 375 m · Suomi NPP, NOAA-20, NOAA-21 · last 24 hours · updated 2026-10-11 10:26 UTC
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Fire history, 2012–2025
Detected · VIIRS S-NPP 375 m · 0.01° cells (~1.1 km) · complete years 2012–2025 · built 2026-09-23
Between 2012 and 2025, VIIRS detected fire in 142 km² of Yamagata Prefecture at least once. In an average year it detected fire in 14 km², ranking 35th of 47 regions of Japan.
Year by year
Detected area per year, km². Area of 0.01° cells with at least one detection in the year.
The busiest year was 2014, with 23 km² detected; the quietest was 2016, with 4.9 km². The 2021–2025 average is 30% lower than the 2012–2016 average.
Through the year
Share of all fire-days 2012–2025 by month. A fire-day is one cell with a detection on one day.
April, May and June together hold 47% of the fire-days in the record. The single busiest day was 3 October 2025, with detections in 7 cells.
Ground that burns again
Of the 142 km² with at least one detection, 11% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 109 | 77% |
| 2 years | 18 | 12% |
| 3 to 5 years | 16 | 11% |
| 6 to 10 years | 0.0 | 0.0% |
| 11 years or more | 0.0 | 0.0% |
The half-degree square with the most fire-days is centred at 38.25, 140.25 and holds 40% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 18 | 18 |
| 2013 | 20 | 20 |
| 2014 | 23 | 24 |
| 2015 | 20 | 21 |
| 2016 | 4.9 | 5 |
| 2017 | 21 | 22 |
| 2018 | 13 | 13 |
| 2019 | 9.8 | 10 |
| 2020 | 6.8 | 7 |
| 2021 | 11 | 11 |
| 2022 | 6.8 | 7 |
| 2023 | 11 | 11 |
| 2024 | 20 | 21 |
| 2025 | 13 | 13 |
Other regions of Japan
- Kumamoto Prefecture142 km² in an average year
- Fukuoka Prefecture100 km² in an average year
- Hokkaidō96 km² in an average year
- Aichi Prefecture94 km² in an average year
- Chiba Prefecture77 km² in an average year
- Ōita Prefecture72 km² in an average year
- How these figures are madeDetected area, cells, and the single-satellite record.
Detected area counts every 0.01° cell with at least one VIIRS detection, so a small fire counts as a whole cell and a fire missed by cloud or between passes is absent. Borders: Natural Earth 1:10m. 2012 begins on 20 January.