Fire near Amazonas (BR)

3.33°S, 58.01°W · first detected on 23 September at 07:04

What the satellites measured

This fire was tracked from 23 September at 07:04 to 18 October at 06:57, that is 25 days, through 2,311 satellite detections. The detected extent reaches 25,034 ha.

Detected extent: 25,034 ha
Cumulative power: 25,957 MW
Peak power, one pixel: 229 MW
VIIRS and MODIS detections: 2,311
Estimated emissions: 19.0 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 5 October 2026 to 18 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
18 October at 06:57	128 MW	10	N21
18 October at 01:54	73 MW	2	Terra
17 October at 21:23	133 MW	5	Aqua
17 October at 19:56	56 MW	8	N21
17 October at 18:52	111 MW	9	N
17 October at 07:55	41 MW	23	N
17 October at 07:16	135 MW	88	N21
17 October at 06:32	2 MW	1	N20
17 October at 02:54	27 MW	2	Terra
16 October at 19:30	989 MW	113	N20
16 October at 19:09	587 MW	40	N
16 October at 18:35	249 MW	18	N21
16 October at 14:36	34 MW	4	Terra
16 October at 07:36	31 MW	23	N21
16 October at 06:53	19 MW	13	N20
16 October at 02:16	113 MW	6	Terra
15 October at 21:45	579 MW	22	Aqua
15 October at 19:49	521 MW	39	N20
15 October at 19:30	158 MW	13	N
15 October at 18:52	58 MW	7	N21
15 October at 07:10	5 MW	6	N20
14 October at 19:47	6 MW	1	N
14 October at 07:29	9 MW	6	N20
13 October at 20:09	26 MW	8	N
13 October at 19:30	36 MW	7	N21
12 October at 21:30	107 MW	8	Aqua
12 October at 19:07	133 MW	20	N20
12 October at 07:48	5 MW	3	N
12 October at 07:10	19 MW	16	N21
11 October at 20:09	40 MW	3	N21
11 October at 19:24	303 MW	38	N20
11 October at 19:05	111 MW	10	N
11 October at 18:28	43 MW	3	N21
11 October at 08:05	8 MW	4	N
11 October at 07:29	21 MW	12	N21
11 October at 02:18	78 MW	7	Terra
10 October at 21:51	404 MW	21	Aqua
10 October at 19:43	566 MW	46	N20
10 October at 19:24	804 MW	50	N
10 October at 18:45	585 MW	36	N21
10 October at 07:48	3 MW	2	N21
10 October at 07:04	30 MW	15	N20
10 October at 06:44	2 MW	1	N
9 October at 20:02	313 MW	39	N20
9 October at 19:41	847 MW	88	N
9 October at 19:07	502 MW	29	N21
9 October at 07:23	56 MW	37	N20
9 October at 07:04	12 MW	7	N
9 October at 02:37	52 MW	7	Terra
8 October at 20:19	35 MW	5	N20
8 October at 20:02	1,139 MW	110	N
8 October at 19:24	1,937 MW	187	N21
8 October at 18:39	608 MW	58	N20
8 October at 14:19	80 MW	10	Terra
8 October at 07:42	32 MW	28	N20
8 October at 07:23	59 MW	44	N
8 October at 06:46	35 MW	19	N21
7 October at 20:19	808 MW	43	N
7 October at 19:43	1,485 MW	70	N21
7 October at 18:58	499 MW	24	N20
7 October at 18:39	313 MW	23	N
7 October at 09:18	14 MW	1	Aqua
7 October at 07:59	13 MW	7	N20
7 October at 07:40	48 MW	25	N
7 October at 07:04	48 MW	22	N21
7 October at 02:56	156 MW	4	Terra
6 October at 20:02	301 MW	22	N21
6 October at 19:17	1,068 MW	42	N20
6 October at 18:58	495 MW	27	N
6 October at 14:38	109 MW	5	Terra
6 October at 07:59	35 MW	5	N
6 October at 07:23	79 MW	18	N21
6 October at 06:38	65 MW	14	N20
6 October at 02:18	290 MW	3	Terra
5 October at 19:34	1,553 MW	47	N20
5 October at 19:17	96 MW	9	N
5 October at 18:39	1,191 MW	22	N21
4 October at 21:21	129 MW	4	Aqua
4 October at 19:56	25 MW	3	N20
4 October at 19:37	48 MW	7	N
4 October at 19:00	296 MW	22	N21
4 October at 07:16	19 MW	14	N20
4 October at 06:55	20 MW	6	N
4 October at 02:39	22 MW	3	Terra
3 October at 20:13	209 MW	14	N20
3 October at 19:54	430 MW	30	N
3 October at 19:17	639 MW	36	N21
3 October at 18:35	116 MW	5	N20
2 October at 21:45	14 MW	2	Aqua
2 October at 18:52	94 MW	14	N20
2 October at 07:33	3 MW	4	N
2 October at 06:57	1 MW	1	N21
1 October at 19:56	341 MW	31	N21
1 October at 19:11	269 MW	20	N20
1 October at 18:52	70 MW	9	N
1 October at 07:16	5 MW	4	N21
1 October at 02:20	6 MW	1	Terra
30 September at 19:30	311 MW	39	N20
30 September at 19:09	189 MW	23	N
30 September at 18:35	115 MW	9	N21
30 September at 07:36	1 MW	1	N21
29 September at 19:49	30 MW	3	N20
29 September at 18:52	7 MW	1	N21
29 September at 07:10	2 MW	1	N20
28 September at 20:09	20 MW	4	N20
28 September at 19:47	14 MW	3	N
28 September at 07:27	1 MW	1	N20
27 September at 21:49	8 MW	1	Aqua
27 September at 20:09	10 MW	3	N
27 September at 19:30	52 MW	8	N21
27 September at 18:45	37 MW	2	N20
26 September at 18:45	5 MW	1	N
24 September at 21:34	76 MW	9	Aqua
24 September at 19:41	102 MW	16	N20
24 September at 19:24	163 MW	19	N
24 September at 18:45	29 MW	3	N21
24 September at 07:04	1 MW	1	N20
23 September at 20:02	71 MW	8	N20
23 September at 19:41	406 MW	18	N
23 September at 19:07	257 MW	9	N21
23 September at 07:23	36 MW	27	N20
23 September at 07:04	10 MW	6	N
22 September at 21:57	206 MW	8	Aqua
22 September at 20:19	18 MW	2	N20
22 September at 20:02	875 MW	67	N
22 September at 19:24	1,488 MW	156	N21
22 September at 18:39	271 MW	24	N20
22 September at 09:39	20 MW	2	Aqua
22 September at 07:42	42 MW	16	N20
22 September at 07:23	51 MW	23	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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