Fire near Amazonas (BR)

3.21°S, 58.75°W · first detected on 15 October at 19:30

What the satellites measured

This fire was tracked from 15 October at 19:30 to 22 October at 20:02, that is 7 days, through 92 satellite detections. The detected extent reaches 1,105 ha.

Detected extent: 1,105 ha
Cumulative power: 676 MW
Peak power, one pixel: 50 MW
VIIRS and MODIS detections: 92
Estimated emissions: 58.4 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 15 October 2026 to 21 October 2026. An order-of-magnitude estimate from GFAS (ECMWF, Copernicus CAMS): it also counts neighbouring fires in the same cell. Contains modified Copernicus Atmosphere Monitoring Service information (2026). Published data stop on 21 October 2026.

These four figures cover the polar orbits alone, the ones that measure an area. The pass table below also counts geostationary detections, more frequent but too coarse for geometry, and its power column sums a whole pass where the peak above is that of a single pixel.

“Detected extent” is not “burned area”: it is the union of the ground footprints of the satellite pixels, and a pixel counts in full (375 m for VIIRS, 1 km for MODIS) even when only a forest edge is burning. Compared with press figures it is in practice one and a half to three times the area reported. Detections taken at the edge of the scan swath, too coarse to measure anything at all, are excluded. These figures come from thermal detection and are not an official assessment: only the emergency services and the competent authorities are authoritative.

Replay how the fire spread

The map is framed on this fire's footprint and loads only its detections. The timeline below covers the period in which satellites saw it, from the first to the last detection, with twelve hours before and twenty-four after; the ticks on the bar mark the emergency services' announcements that fall within it. The cursor opens on the most powerful pass, and playback replays the whole fire in about thirty seconds. “1 h” shows what is burning within an hour of the chosen moment : the map then follows the power curve below and empties when it falls. “24 h” stacks twenty-four hours : a fire stays visible between two satellite passes, which come two to four times a day. Both are true, but they say different things.

How the radiative power evolved

One point per satellite pass: the sum of the fire radiative power measured over the fire. This is the curve that says whether the fire eased off or picked up again, which no cumulative figure shows. The window covers 10 days; beyond that, clustering would merge two successive fires in the same place.

Fire dynamics

Loading history…

Satellite passes in detail

Pass	Power summed over the pass	Detections	Sensor
23 October at 00:00	21 MW	1	G19
22 October at 23:45	19 MW	1	G19FRP
22 October at 23:40	21 MW	1	G19
22 October at 23:35	20 MW	1	G19FRP
22 October at 23:30	22 MW	1	G19
22 October at 23:15	46 MW	2	G19FRP
22 October at 23:10	29 MW	1	G19
22 October at 23:05	29 MW	1	G19FRP
22 October at 23:00	33 MW	1	G19
22 October at 22:55	45 MW	2	G19FRP
22 October at 22:35	96 MW	3	G19FRP
22 October at 22:25	73 MW	2	G19FRP
22 October at 22:15	128 MW	3	G19FRP
22 October at 22:10	59 MW	1	G19
22 October at 22:00	60 MW	1	G19
22 October at 21:25	101 MW	2	G19FRP
22 October at 21:20	64 MW	1	G19
22 October at 21:15	169 MW	3	G19FRP
22 October at 21:10	194 MW	3	G19
22 October at 21:05	146 MW	3	G19FRP
22 October at 21:00	116 MW	2	G19
22 October at 20:55	96 MW	2	G19FRP
22 October at 20:50	109 MW	2	G19
22 October at 20:45	173 MW	3	G19FRP
22 October at 20:40	192 MW	3	G19
22 October at 20:35	108 MW	2	G19FRP
22 October at 20:30	120 MW	2	G19
22 October at 20:25	104 MW	2	G19FRP
22 October at 20:20	114 MW	2	G19
22 October at 20:14	18 MW	1	Met12
22 October at 20:10	50 MW	1	G19
22 October at 20:02	83 MW	10	N21
22 October at 19:40	33 MW	1	G19
22 October at 18:50	43 MW	1	G19
22 October at 17:05	44 MW	1	G19FRP
22 October at 07:23	6 MW	5	N21
21 October at 23:00	27 MW	1	G19
21 October at 22:55	28 MW	1	G19FRP
21 October at 22:50	28 MW	1	G19
20 October at 07:16	2 MW	2	N20
18 October at 07:53	2 MW	2	N20
18 October at 06:57	11 MW	4	N21
17 October at 21:23	37 MW	1	Aqua
17 October at 19:56	54 MW	4	N21
17 October at 18:52	10 MW	1	N
17 October at 08:14	4 MW	2	N20
17 October at 07:55	24 MW	14	N
17 October at 07:16	28 MW	10	N21
17 October at 06:32	4 MW	2	N20
17 October at 02:54	31 MW	2	Terra
16 October at 19:30	137 MW	7	N20
16 October at 07:36	2 MW	1	N21
15 October at 19:30	6 MW	2	N

8 other fires near Amazonas (BR)

Separate fires, apart in time or in space, not pieces of this one. A single municipality can have several over one summer, and a forest massif often covers more than a hundred square kilometres.

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