Fire near Amazonas (BR)

3.66°S, 60.59°W · first detected on 23 September at 02:03

What the satellites measured

This fire was tracked from 23 September at 02:03 to 18 October at 09:44, that is 25 days, through 2,148 satellite detections. The detected extent reaches 15,097 ha.

Detected extent: 15,097 ha
Cumulative power: 35,578 MW
Peak power, one pixel: 510 MW
VIIRS and MODIS detections: 2,148
Estimated emissions: 97.4 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 28 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 09:44	52 MW	2	Aqua
18 October at 07:53	7 MW	1	N20
18 October at 07:33	12 MW	3	N
17 October at 20:32	614 MW	18	N
17 October at 19:56	1,547 MW	48	N21
17 October at 19:11	44 MW	3	N20
17 October at 18:52	735 MW	33	N
17 October at 08:14	61 MW	30	N20
17 October at 07:54	172 MW	67	N
17 October at 07:16	287 MW	98	N21
17 October at 02:54	40 MW	3	Terra
16 October at 20:13	2,196 MW	82	N21
16 October at 19:30	2,160 MW	66	N20
16 October at 19:09	1,184 MW	51	N
16 October at 14:36	357 MW	12	Terra
16 October at 07:36	65 MW	34	N21
16 October at 06:53	45 MW	22	N20
15 October at 21:45	886 MW	5	Aqua
15 October at 19:49	483 MW	23	N20
15 October at 19:30	12 MW	1	N
15 October at 18:52	78 MW	8	N21
15 October at 07:10	46 MW	25	N20
15 October at 06:51	15 MW	10	N
15 October at 03:13	68 MW	2	Terra
14 October at 07:29	22 MW	5	N20
14 October at 07:10	8 MW	1	N
13 October at 19:30	951 MW	56	N21
13 October at 18:45	21 MW	2	N20
13 October at 09:50	172 MW	3	Aqua
12 October at 21:30	133 MW	3	Aqua
12 October at 19:07	1,081 MW	29	N20
12 October at 15:16	36 MW	1	Terra
12 October at 09:12	27 MW	1	Aqua
12 October at 08:08	20 MW	16	N20
12 October at 07:48	108 MW	40	N
12 October at 07:10	64 MW	22	N21
12 October at 02:54	85 MW	4	Terra
11 October at 20:09	10 MW	1	N21
11 October at 19:05	55 MW	7	N
11 October at 08:05	3 MW	2	N
11 October at 07:29	60 MW	36	N21
11 October at 02:18	152 MW	7	Terra
10 October at 21:51	1,536 MW	24	Aqua
10 October at 19:43	3,012 MW	71	N20
10 October at 19:24	2,302 MW	26	N
10 October at 18:45	1,397 MW	38	N21
10 October at 09:35	34 MW	4	Aqua
10 October at 03:15	143 MW	3	Terra
9 October at 20:02	300 MW	23	N20
9 October at 19:41	541 MW	44	N
9 October at 19:07	303 MW	22	N21
9 October at 08:08	20 MW	7	N21
9 October at 07:23	87 MW	49	N20
9 October at 07:04	21 MW	15	N
9 October at 02:37	128 MW	12	Terra
8 October at 22:14	116 MW	3	Aqua
8 October at 20:19	200 MW	26	N20
8 October at 20:02	452 MW	34	N
8 October at 19:24	410 MW	13	N21
8 October at 07:42	51 MW	37	N20
8 October at 07:23	54 MW	30	N
8 October at 06:46	17 MW	10	N21
7 October at 20:19	287 MW	30	N
7 October at 19:43	979 MW	53	N21
7 October at 18:58	841 MW	52	N20
7 October at 07:59	46 MW	8	N20
7 October at 07:42	49 MW	24	N
7 October at 07:04	50 MW	15	N21
7 October at 02:56	19 MW	2	Terra
6 October at 20:02	188 MW	19	N21
6 October at 19:17	649 MW	27	N20
6 October at 18:58	50 MW	6	N
6 October at 07:25	7 MW	7	N21
5 October at 20:19	46 MW	2	N21
5 October at 19:34	484 MW	21	N20
5 October at 19:17	105 MW	10	N
5 October at 18:39	44 MW	4	N21
4 October at 19:56	83 MW	12	N20
4 October at 19:37	46 MW	5	N
4 October at 07:16	1 MW	2	N20
3 October at 19:56	4 MW	1	N
3 October at 19:17	23 MW	2	N21
3 October at 07:36	13 MW	5	N20
2 October at 21:45	132 MW	6	Aqua
2 October at 18:52	31 MW	2	N20
1 October at 19:56	242 MW	14	N21
1 October at 19:11	191 MW	11	N20
1 October at 18:52	136 MW	5	N
1 October at 14:40	9 MW	1	Terra
1 October at 08:14	7 MW	3	N20
1 October at 07:55	7 MW	5	N
1 October at 07:16	8 MW	4	N21
1 October at 02:20	22 MW	2	Terra
30 September at 20:13	115 MW	5	N21
30 September at 19:30	194 MW	8	N20
30 September at 19:09	213 MW	9	N
29 September at 19:49	80 MW	3	N20
29 September at 19:30	75 MW	4	N
27 September at 07:48	2 MW	1	N20
26 September at 19:49	56 MW	6	N21
24 September at 19:41	685 MW	47	N20
24 September at 18:45	37 MW	5	N21
24 September at 08:25	8 MW	5	N
24 September at 07:48	50 MW	25	N21
24 September at 07:04	69 MW	27	N20
24 September at 06:44	74 MW	17	N
24 September at 02:39	151 MW	10	Terra
23 September at 20:02	774 MW	24	N20
23 September at 19:41	818 MW	46	N
23 September at 19:07	684 MW	32	N21
23 September at 14:23	347 MW	7	Terra
23 September at 10:18	70 MW	2	Aqua
23 September at 08:08	154 MW	24	N21
23 September at 07:23	255 MW	57	N20
23 September at 07:04	125 MW	46	N
23 September at 02:03	457 MW	5	Terra
22 September at 21:57	211 MW	6	Aqua
22 September at 20:19	236 MW	16	N20
22 September at 20:02	1,501 MW	70	N
22 September at 19:24	1,631 MW	58	N21
22 September at 09:39	36 MW	6	Aqua
22 September at 07:42	115 MW	48	N20
22 September at 07:23	87 MW	28	N
22 September at 06:46	57 MW	20	N21
22 September at 03:02	137 MW	8	Terra
21 September at 21:19	35 MW	1	Aqua
21 September at 20:19	455 MW	44	N
21 September at 19:43	1,829 MW	65	N21
21 September at 18:58	681 MW	61	N20

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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