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Hoon fire, February 2019 Hoon

Out · last detection 14 Mar 2019, 06:49 UTC

The fire started on 18 February 2019 in Hoon, Laos, and satellites saw it burning for 24 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 2,021 hectares from heat detections, spread across a single municipality.

It is the 232th largest in Oudomxay since 2016 (of 239 with a page). Number 123 in Laos in 2019, of 126.

Compare with…
Burnt area
2,021ha
GWIS perimeter (Copernicus)
Duration
24days
18 Feb 2019 – 13 Mar 2019
Municipalities hit
1
districts
Started on
18 Feb
2019
Heat detections
127
in a single hotspot: 56 MW
Average daily power
76MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 18 Feb13 Mar
14 Mar 2019

How it evolved, day by day

21 Feb 2019 · 11 MW · 1 22 Feb 2019 · 14 MW · 2 23 Feb 2019 · 41 MW · 1 25 Feb 2019 · 28 MW · 4 26 Feb 2019 · 364 MW · 19 27 Feb 2019 · 33 MW · 6 28 Feb 2019 · 26 MW · 3 1 Mar 2019 · 17 MW · 2 2 Mar 2019 · 72 MW · 9 3 Mar 2019 · 7 MW · 2 4 Mar 2019 · 110 MW · 12 5 Mar 2019 · 279 MW · 17 6 Mar 2019 · 132 MW · 10 7 Mar 2019 · 7 MW · 1 8 Mar 2019 · 28 MW · 5 9 Mar 2019 · 33 MW · 2 10 Mar 2019 · 93 MW · 8 11 Mar 2019 · 197 MW · 12 12 Mar 2019 · 49 MW · 3 13 Mar 2019 · 21 MW · 2 14 Mar 2019 · 43 MW · 6
21 Feb 25 Feb 26 Feb 28 Feb 3 Mar 6 Mar 9 Mar 12 Mar

Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.

This area had burned before

85% of the perimeter overlaps earlier fires recorded since 2016: 1,110 ha in 2016, 943 ha in 2017, 837 ha in 2018. Part of it burned more than once, so the yearly figures add up to more than the 1,722 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 1.3% of the area of London (20 km² against 1,583 km²).

London boundary: geoBoundaries · Office for National Statistics (Open Government Licence v3.0).

This compares size, not location: both shapes are at the same scale, north up, centred on each other.

What happened to each town

  1. Hoon where it started
    2,030 ha
    1.0 %

Burnt area inside each municipality, from crossing the GWIS perimeter with administrative boundaries. The distance runs from the point marking the centre of each area to the nearest fire: staying a kilometre away does not mean it reached the houses.

People and buildings inside the perimeter

GHSL 2020
Built-up area1.5 ha
Residents≈ 550

Inside the perimeter there were about 1.5 hectares of built-up land and about 550 residents (GHSL 2020, satellite-based estimate).

This is an estimate on 100 m cells, made from satellite imagery and census data: it does not mean that homes burned or that anyone was harmed. The perimeter also contains land that never burned.

Source: Global Human Settlement Layer (GHS-BUILT-S and GHS-POP R2023A), European Commission Joint Research Centre (JRC), © European Union, CC BY 4.0. Sum inside the perimeter computed by WorldFires. human-settlement.emergency.copernicus.eu

Before and after, from space

Drag the line to compare the same ground before the fire and after it.

Before · 11 Feb 2019
After · 20 Mar 2019

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

Detections table · 127Every satellite heat detection, one by one, with time, satellite, power and coordinates.
⬇ Download CSV Times in UTC. Each detection is a 375 m pixel: a large fire yields hundreds per pass.
Date and timeSatelliteFRP (MW)LatLon

Other fires nearby

All fires in Laos ›

Frequently asked questions

How long did the Hoon fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 18 February 2019 to 13 March 2019 (24 days). The perimeter dates it from 24 February 2019 to 6 March 2019.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 2,021 hectares (20.2 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Hoon (2,030 ha, 1.0 %).
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Laos (geoBoundaries). It is not an official report.

Where to verify it

A satellite detection is not an official report. Final figures and the fire’s status are published by each country’s emergency service.

Satellite cross-check

History of this page Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.

No changes since 24 October 2026.

RSS Changes to this page

Does something look wrong on this page?

This page is built from satellite data and official records, and it sometimes gets things wrong: the wrong dates, the wrong town, two fires merged into one, or something that was not a wildfire at all. If you know this fire first-hand (you live nearby, saw it, fought it or reported on it), tell us what really happened and we will check it.

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How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
  • Dates adjusted with the VIIRS detections inside the perimeter, which said 24 February 2019 to 6 March 2019. 127 Suomi-NPP VIIRS detections on those dates.
  • We have not matched this page with any official record.
  • Built-up area and population come from the JRC Global Human Settlement Layer (epoch 2020, 100 m cells), summed inside the perimeter: an estimate of what was there, not a damage count.

How we build fire pages: methodology ›

Where this data comes from

The perimeter comes from the Copernicus Global Wildfire Information System (GWIS), which rebuilds it from MODIS and VIIRS heat detections and publishes it under CC BY 4.0. It is not measured on imagery as in Europe, so it is an estimate. Heat detections come from the VIIRS sensors aboard Suomi-NPP and NOAA-20, distributed by NASA FIRMS at 375 m resolution. Municipal boundaries come from geoBoundaries ADM2 (Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ from each country’s official figure.