Fire near Amazonas (BR)

2.98°S, 57.79°W · first detected on 23 September at 06:25

What the satellites measured

This fire was tracked from 23 September at 06:25 to 17 October at 21:23, that is 25 days, through 1,085 satellite detections. The detected extent reaches 14,123 ha.

Detected extent: 14,123 ha
Cumulative power: 10,704 MW
Peak power, one pixel: 149 MW
VIIRS and MODIS detections: 1,085
Estimated emissions: 25.0 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 5 October 2026 to 17 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).

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 27 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
17 October at 21:23	36 MW	3	Aqua
17 October at 19:56	59 MW	10	N21
17 October at 19:11	119 MW	12	N20
17 October at 18:52	19 MW	3	N
16 October at 19:30	88 MW	16	N20
16 October at 18:35	20 MW	2	N21
16 October at 14:36	14 MW	2	Terra
15 October at 21:45	38 MW	4	Aqua
15 October at 19:49	15 MW	2	N20
15 October at 19:30	51 MW	13	N
15 October at 18:52	6 MW	1	N21
15 October at 07:10	11 MW	7	N20
15 October at 06:49	3 MW	2	N
14 October at 07:27	3 MW	2	N20
14 October at 07:10	3 MW	3	N
13 October at 20:09	73 MW	15	N
13 October at 19:30	418 MW	17	N21
13 October at 18:45	103 MW	6	N20
13 October at 14:17	48 MW	2	Terra
13 October at 09:50	16 MW	2	Aqua
13 October at 01:56	23 MW	1	Terra
12 October at 21:30	309 MW	15	Aqua
12 October at 19:07	143 MW	7	N20
12 October at 07:48	3 MW	4	N
12 October at 07:10	10 MW	6	N21
11 October at 20:09	52 MW	3	N21
11 October at 19:24	335 MW	35	N20
11 October at 19:05	37 MW	4	N
11 October at 18:28	42 MW	4	N21
11 October at 07:29	8 MW	4	N21
11 October at 06:46	5 MW	5	N20
11 October at 02:18	15 MW	2	Terra
10 October at 21:51	68 MW	4	Aqua
10 October at 19:43	240 MW	23	N20
10 October at 19:24	145 MW	14	N
10 October at 18:45	127 MW	11	N21
10 October at 09:33	3 MW	1	Aqua
10 October at 07:48	7 MW	5	N21
10 October at 07:04	17 MW	7	N20
9 October at 20:02	208 MW	21	N20
9 October at 19:41	508 MW	50	N
9 October at 19:07	314 MW	23	N21
9 October at 07:23	56 MW	23	N20
9 October at 07:04	28 MW	8	N
9 October at 06:25	10 MW	3	N21
9 October at 02:37	67 MW	6	Terra
8 October at 20:02	508 MW	27	N
8 October at 19:24	606 MW	47	N21
8 October at 18:39	192 MW	19	N20
8 October at 14:19	8 MW	1	Terra
8 October at 07:42	10 MW	6	N20
8 October at 07:23	25 MW	16	N
8 October at 06:46	17 MW	8	N21
7 October at 20:19	145 MW	12	N
7 October at 19:43	664 MW	42	N21
7 October at 19:00	126 MW	10	N20
7 October at 18:39	63 MW	7	N
7 October at 07:40	4 MW	3	N
7 October at 07:04	11 MW	7	N21
6 October at 20:02	103 MW	8	N21
6 October at 19:17	99 MW	11	N20
6 October at 18:58	37 MW	5	N
6 October at 07:23	13 MW	5	N21
6 October at 02:18	9 MW	1	Terra
5 October at 22:00	31 MW	2	Aqua
5 October at 19:34	272 MW	23	N20
5 October at 19:17	87 MW	10	N
5 October at 18:39	39 MW	5	N21
5 October at 07:42	2 MW	1	N21
5 October at 06:57	8 MW	6	N20
4 October at 21:21	99 MW	4	Aqua
4 October at 19:37	45 MW	2	N
4 October at 19:00	285 MW	6	N21
3 October at 20:13	60 MW	5	N20
3 October at 19:56	269 MW	20	N
3 October at 19:17	159 MW	20	N21
2 October at 21:45	22 MW	3	Aqua
2 October at 19:39	26 MW	4	N21
2 October at 18:52	22 MW	2	N20
2 October at 06:57	2 MW	1	N21
1 October at 19:56	29 MW	5	N21
1 October at 19:11	136 MW	10	N20
1 October at 18:52	12 MW	1	N
1 October at 07:16	2 MW	2	N21
30 September at 19:30	108 MW	12	N20
30 September at 19:09	107 MW	11	N
30 September at 18:35	49 MW	5	N21
29 September at 19:49	13 MW	1	N20
29 September at 19:30	30 MW	2	N
29 September at 18:52	53 MW	8	N21
29 September at 07:10	3 MW	2	N20
28 September at 20:09	64 MW	10	N20
28 September at 19:47	79 MW	11	N
28 September at 19:11	24 MW	2	N21
28 September at 07:27	3 MW	4	N20
28 September at 07:10	4 MW	2	N
27 September at 21:49	24 MW	1	Aqua
27 September at 20:09	16 MW	3	N
27 September at 19:30	175 MW	18	N21
27 September at 18:45	45 MW	7	N20
27 September at 07:27	12 MW	7	N
27 September at 06:51	8 MW	3	N21
26 September at 20:26	37 MW	2	N
26 September at 19:49	153 MW	11	N21
26 September at 19:07	96 MW	8	N20
26 September at 18:45	104 MW	9	N
26 September at 07:46	3 MW	2	N
25 September at 19:24	28 MW	3	N20
24 September at 21:34	116 MW	8	Aqua
24 September at 19:43	41 MW	6	N20
24 September at 19:24	105 MW	14	N
24 September at 18:45	245 MW	18	N21
24 September at 09:16	16 MW	2	Aqua
24 September at 07:48	1 MW	2	N21
24 September at 07:04	2 MW	1	N20
24 September at 02:41	6 MW	1	Terra
23 September at 19:41	216 MW	18	N
23 September at 19:07	167 MW	12	N21
23 September at 14:23	31 MW	3	Terra
23 September at 07:23	17 MW	6	N20
23 September at 07:01	15 MW	4	N
23 September at 06:25	3 MW	1	N21
22 September at 21:57	34 MW	1	Aqua
22 September at 20:02	703 MW	35	N
22 September at 19:24	927 MW	62	N21
22 September at 18:39	489 MW	37	N20
22 September at 09:39	18 MW	3	Aqua
22 September at 07:42	35 MW	16	N20
22 September at 07:23	41 MW	19	N
22 September at 06:46	50 MW	13	N21
22 September at 03:02	47 MW	2	Terra

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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