Fire near Maranhão (BR)

5.43°S, 45.66°W · first detected on 23 September at 06:25

What the satellites measured

This fire was tracked from 23 September at 06:25 to 23 October at 01:52, that is at least 30 days: the clustering window stops there, and the fire or heat source may be older, through 869 satellite detections. The detected extent reaches 15,761 ha.

Detected extent: 15,761 ha
Cumulative power: 9,506 MW
Peak power, one pixel: 242 MW
VIIRS and MODIS detections: 869
Estimated emissions: 12.5 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 5 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 30 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 02:14	12 MW	1	Met12
23 October at 01:52	78 MW	6	Terra
23 October at 01:34	31 MW	2	Met12
23 October at 01:25	43 MW	2	G19FRP
23 October at 01:24	101 MW	6	Met12
23 October at 01:20	62 MW	2	Met10
23 October at 01:20	49 MW	2	G19
23 October at 01:15	88 MW	3	G19FRP
23 October at 01:14	141 MW	8	Met12
23 October at 01:10	115 MW	4	G19
23 October at 01:05	69 MW	2	G19FRP
23 October at 01:05	180 MW	4	Met10
23 October at 01:04	114 MW	6	Met12
23 October at 01:00	158 MW	4	G19
23 October at 00:55	200 MW	4	G19FRP
23 October at 00:54	40 MW	1	Met12
23 October at 00:51	74 MW	2	Met10
23 October at 00:50	223 MW	5	G19
23 October at 00:50	135 MW	3	Met10
23 October at 00:45	111 MW	2	G19FRP
23 October at 00:44	80 MW	3	Met12
23 October at 00:40	273 MW	4	G19
23 October at 00:36	288 MW	7	Met10
23 October at 00:35	297 MW	4	G19FRP
23 October at 00:35	539 MW	5	Met10
23 October at 00:34	255 MW	7	Met12
23 October at 00:30	502 MW	5	G19
23 October at 00:25	882 MW	7	G19FRP
23 October at 00:24	611 MW	7	Met12
23 October at 00:21	1,635 MW	15	Met10
23 October at 00:20	31 MW	1	Met10
23 October at 00:20	869 MW	5	G19
23 October at 00:15	348 MW	3	G19FRP
23 October at 00:14	177 MW	5	Met12
23 October at 00:10	838 MW	4	G19
23 October at 00:06	2,859 MW	18	Met10
23 October at 00:05	802 MW	7	G19FRP
23 October at 00:04	1,532 MW	14	Met12
23 October at 00:00	1,380 MW	5	G19
22 October at 23:55	786 MW	7	G19FRP
22 October at 23:54	572 MW	12	Met12
22 October at 23:51	2,132 MW	13	Met10
22 October at 23:50	1,333 MW	6	G19
22 October at 23:45	1,366 MW	5	G19FRP
22 October at 23:44	818 MW	13	Met12
22 October at 23:40	1,305 MW	4	G19
22 October at 23:36	1,223 MW	8	Met10
22 October at 23:35	727 MW	6	G19FRP
22 October at 23:34	673 MW	9	Met12
22 October at 23:30	619 MW	3	G19
22 October at 23:25	305 MW	3	G19FRP
22 October at 23:24	473 MW	7	Met12
22 October at 23:21	597 MW	6	Met10
22 October at 23:20	229 MW	1	G19
22 October at 23:15	79 MW	2	G19FRP
22 October at 23:14	164 MW	5	Met12
22 October at 23:06	144 MW	3	Met10
22 October at 23:05	161 MW	4	G19FRP
22 October at 23:04	139 MW	4	Met12
22 October at 22:55	217 MW	4	G19FRP
22 October at 22:54	150 MW	3	Met12
22 October at 22:51	191 MW	3	Met10
22 October at 22:45	162 MW	4	G19FRP
22 October at 22:44	96 MW	3	Met12
22 October at 22:36	55 MW	1	Met10
22 October at 22:35	120 MW	4	G19FRP
22 October at 22:34	86 MW	3	Met12
22 October at 22:25	142 MW	4	G19FRP
22 October at 22:24	113 MW	4	Met12
22 October at 22:21	85 MW	1	Met10
22 October at 22:15	211 MW	4	G19FRP
22 October at 22:14	171 MW	4	Met12
22 October at 22:05	242 MW	4	G19FRP
22 October at 22:04	191 MW	5	Met12
22 October at 22:00	96 MW	1	G19
22 October at 21:55	202 MW	3	G19FRP
22 October at 21:54	104 MW	2	Met12
22 October at 21:24	12 MW	1	Met12
22 October at 20:54	13 MW	1	Met12
22 October at 20:34	165 MW	4	Met12
22 October at 20:04	15 MW	1	Met12
22 October at 19:54	70 MW	3	Met12
22 October at 19:50	45 MW	1	G19
22 October at 19:34	20 MW	1	Met12
22 October at 19:15	49 MW	6	N20
22 October at 19:14	63 MW	3	Met12
22 October at 19:04	73 MW	3	Met12
22 October at 18:58	115 MW	15	N
22 October at 18:54	189 MW	6	Met12
22 October at 18:45	63 MW	1	G19FRP
22 October at 18:40	99 MW	2	G19
22 October at 18:35	122 MW	2	G19FRP
22 October at 18:34	71 MW	3	Met12
22 October at 18:25	310 MW	2	G19FRP
22 October at 18:24	18 MW	1	Met12
22 October at 18:20	383 MW	3	G19
22 October at 18:20	157 MW	9	N21
22 October at 18:14	18 MW	1	Met12
22 October at 06:40	23 MW	15	N20
22 October at 06:19	29 MW	11	N
22 October at 06:05	17 MW	1	G19FRP
22 October at 06:00	19 MW	1	G19
22 October at 05:42	17 MW	7	N21
22 October at 02:15	20 MW	1	G19FRP
22 October at 02:10	22 MW	1	G19
22 October at 01:34	14 MW	1	Met12
22 October at 01:30	36 MW	1	G19
22 October at 01:25	34 MW	1	G19FRP
22 October at 01:24	66 MW	4	Met12
22 October at 01:20	44 MW	1	Met10
22 October at 01:20	38 MW	1	G19
22 October at 01:15	72 MW	2	G19FRP
22 October at 01:14	76 MW	3	Terra
22 October at 01:14	72 MW	4	Met12
22 October at 01:10	46 MW	1	G19
22 October at 01:05	57 MW	2	G19FRP
22 October at 01:04	57 MW	2	Met12
22 October at 01:00	54 MW	1	G19
22 October at 00:55	66 MW	2	G19FRP
22 October at 00:50	54 MW	1	G19
22 October at 00:50	109 MW	2	Met10
22 October at 00:45	136 MW	3	G19FRP
22 October at 00:44	16 MW	1	Met12
22 October at 00:40	40 MW	1	G19
22 October at 00:36	245 MW	6	Met10
22 October at 00:35	108 MW	1	Met10
22 October at 00:35	93 MW	3	G19FRP
22 October at 00:34	113 MW	3	Met12
22 October at 00:30	41 MW	1	G19
22 October at 00:25	317 MW	6	G19FRP
22 October at 00:24	273 MW	8	Met12
22 October at 00:21	841 MW	9	Met10
22 October at 00:20	167 MW	2	G19
22 October at 00:15	234 MW	3	G19FRP
22 October at 00:14	397 MW	8	Met12
22 October at 00:10	66 MW	1	G19
22 October at 00:06	559 MW	10	Met10
22 October at 00:05	338 MW	7	G19FRP
22 October at 00:04	306 MW	7	Met12
22 October at 00:00	272 MW	4	G19
21 October at 23:55	63 MW	2	G19FRP
21 October at 23:54	80 MW	4	Met12
21 October at 23:51	293 MW	5	Met10
21 October at 23:50	66 MW	2	G19
21 October at 23:45	53 MW	1	G19FRP
21 October at 23:44	72 MW	4	Met12
21 October at 23:40	90 MW	2	G19
21 October at 23:36	336 MW	4	Met10
21 October at 23:35	120 MW	3	G19FRP
21 October at 23:34	41 MW	3	Met12
21 October at 23:25	450 MW	6	G19FRP
21 October at 23:24	81 MW	2	Met12
21 October at 23:21	1,001 MW	10	Met10
21 October at 23:20	115 MW	1	G19
21 October at 23:15	138 MW	4	G19FRP
21 October at 23:14	93 MW	3	Met12
21 October at 23:10	71 MW	1	G19
21 October at 23:05	176 MW	5	G19FRP
21 October at 23:04	62 MW	3	Met12
21 October at 22:55	380 MW	9	G19FRP
21 October at 22:54	61 MW	4	Met12
21 October at 22:51	36 MW	1	Met10
21 October at 22:50	23 MW	1	G19
21 October at 22:45	227 MW	4	G19FRP
21 October at 22:44	16 MW	1	Met12
21 October at 22:40	92 MW	1	G19
21 October at 22:36	53 MW	1	Met10
21 October at 22:35	90 MW	3	G19FRP
21 October at 22:34	121 MW	4	Met12
21 October at 22:25	55 MW	1	G19FRP
21 October at 22:24	148 MW	4	Met12
21 October at 22:21	282 MW	3	Met10
21 October at 22:20	60 MW	1	G19
21 October at 22:15	144 MW	3	G19FRP
21 October at 22:14	90 MW	4	Met12
21 October at 22:10	85 MW	1	G19
21 October at 22:04	10 MW	1	Met12
21 October at 21:45	28 MW	1	G19FRP
21 October at 21:44	58 MW	3	Met12
21 October at 21:34	119 MW	6	Met12
21 October at 21:30	42 MW	1	G19
21 October at 21:25	53 MW	1	G19FRP
21 October at 21:24	153 MW	5	Met12
21 October at 21:20	56 MW	1	G19
21 October at 21:15	149 MW	2	G19FRP
21 October at 21:14	211 MW	5	Met12
21 October at 21:10	161 MW	2	G19
21 October at 21:06	261 MW	2	Met10
21 October at 21:05	278 MW	2	G19FRP
21 October at 21:04	497 MW	9	Met12
21 October at 21:00	183 MW	2	G19
21 October at 20:55	243 MW	3	G19FRP
21 October at 20:54	322 MW	6	Met12
21 October at 20:51	164 MW	1	Met10
21 October at 20:50	65 MW	1	G19
21 October at 20:45	284 MW	2	G19FRP
21 October at 20:44	14 MW	1	Met12
21 October at 20:40	159 MW	1	G19
21 October at 20:36	364 MW	5	Aqua
21 October at 20:35	324 MW	3	G19FRP
21 October at 20:30	284 MW	2	G19
21 October at 20:25	277 MW	2	G19FRP
21 October at 20:20	363 MW	3	G19
21 October at 20:15	529 MW	3	G19FRP
21 October at 20:10	371 MW	3	G19
21 October at 20:05	242 MW	2	G19FRP
21 October at 20:04	82 MW	3	Met12
21 October at 20:00	210 MW	2	G19
21 October at 19:55	177 MW	2	G19FRP
21 October at 19:54	101 MW	5	Met12
21 October at 19:50	114 MW	2	G19
21 October at 19:45	57 MW	1	G19FRP
21 October at 19:44	203 MW	9	Met12
21 October at 19:40	60 MW	1	G19
21 October at 19:35	68 MW	1	G19FRP
21 October at 19:34	39 MW	2	Met12
21 October at 19:30	163 MW	3	G19
21 October at 19:24	12 MW	1	Met12
21 October at 19:20	25 MW	1	G19
21 October at 19:15	114 MW	10	N
21 October at 19:14	48 MW	2	Met12
21 October at 19:10	44 MW	1	G19
21 October at 19:04	44 MW	1	Met12
21 October at 19:00	47 MW	1	G19
21 October at 18:54	24 MW	1	Met12
21 October at 18:50	37 MW	1	G19
21 October at 18:44	20 MW	1	Met12
21 October at 18:40	79 MW	2	G19
21 October at 18:39	152 MW	21	N21
21 October at 17:56	17 MW	3	N20
21 October at 06:38	0 MW	1	N
21 October at 06:02	5 MW	2	N21
21 October at 00:24	12 MW	1	Met12
21 October at 00:14	16 MW	1	Met12
21 October at 00:10	26 MW	1	G19
21 October at 00:04	15 MW	1	Met12
20 October at 23:44	24 MW	2	Met12
20 October at 23:34	16 MW	1	Met12
20 October at 23:04	14 MW	1	Met12
20 October at 18:58	35 MW	2	N21
20 October at 06:19	1 MW	1	N21
19 October at 21:00	104 MW	5	Aqua
19 October at 18:35	22 MW	4	N20
19 October at 18:13	8 MW	1	N
18 October at 18:52	5 MW	1	N20
18 October at 18:33	14 MW	2	N
18 October at 06:57	21 MW	9	N21
18 October at 06:14	31 MW	7	N20
18 October at 05:53	20 MW	5	N
18 October at 01:54	73 MW	6	Terra
17 October at 19:09	13 MW	3	N20
17 October at 18:52	58 MW	15	N
17 October at 18:13	73 MW	5	N21
17 October at 06:32	8 MW	6	N20
17 October at 06:14	3 MW	1	N
16 October at 20:45	22 MW	3	Aqua
16 October at 19:09	57 MW	6	N
16 October at 18:34	64 MW	10	N21
16 October at 06:53	58 MW	42	N20
16 October at 06:32	87 MW	52	N
16 October at 05:55	45 MW	17	N21
16 October at 02:13	121 MW	3	Terra
15 October at 19:28	227 MW	26	N
15 October at 18:52	1,481 MW	77	N21
15 October at 18:07	325 MW	23	N20
15 October at 17:48	23 MW	2	N
15 October at 06:49	7 MW	5	N
15 October at 06:14	8 MW	6	N21
15 October at 01:35	4 MW	1	Terra
14 October at 21:06	56 MW	4	Aqua
14 October at 19:09	93 MW	10	N21
14 October at 18:26	224 MW	32	N20
14 October at 18:07	70 MW	16	N
14 October at 07:10	5 MW	2	N
14 October at 06:32	17 MW	5	N21
14 October at 05:47	23 MW	5	N20
13 October at 20:28	125 MW	2	Aqua
13 October at 18:45	97 MW	16	N20
13 October at 18:26	13 MW	2	N
13 October at 17:50	25 MW	2	N21
12 October at 19:05	83 MW	11	N20
12 October at 18:07	48 MW	2	N21
12 October at 06:25	2 MW	2	N20
11 October at 19:24	58 MW	8	N20
11 October at 19:05	197 MW	17	N
11 October at 18:26	39 MW	8	N21
11 October at 17:41	17 MW	2	N20
11 October at 06:46	1 MW	1	N20
11 October at 06:25	1 MW	1	N
10 October at 19:22	27 MW	2	N
10 October at 18:45	7 MW	1	N21
10 October at 06:44	4 MW	4	N
10 October at 06:08	4 MW	2	N21
10 October at 01:37	14 MW	2	Terra
9 October at 19:05	114 MW	11	N21
9 October at 18:20	45 MW	3	N20
9 October at 07:04	4 MW	2	N
9 October at 06:25	39 MW	30	N21
8 October at 20:34	1,104 MW	19	Aqua
8 October at 19:24	625 MW	37	N21
8 October at 18:39	1,456 MW	106	N20
8 October at 18:20	732 MW	58	N
8 October at 17:41	423 MW	20	N21
8 October at 06:46	2 MW	1	N21
8 October at 01:56	8 MW	1	Terra
7 October at 18:58	245 MW	30	N20
7 October at 18:37	314 MW	32	N
7 October at 18:03	62 MW	9	N21
7 October at 06:19	8 MW	6	N20
6 October at 20:58	255 MW	10	Aqua
6 October at 19:15	231 MW	32	N20
6 October at 18:58	403 MW	37	N
6 October at 18:20	346 MW	26	N21
5 October at 18:39	16 MW	2	N21
3 October at 20:41	25 MW	2	Aqua
3 October at 19:15	4 MW	1	N21
3 October at 18:33	36 MW	5	N20
3 October at 18:13	4 MW	1	N
3 October at 07:16	7 MW	4	N
3 October at 06:40	3 MW	1	N21
2 October at 18:52	31 MW	5	N20
2 October at 18:33	4 MW	1	N
1 October at 21:04	22 MW	2	Aqua
1 October at 19:09	3 MW	1	N20
1 October at 18:50	54 MW	6	N
1 October at 18:13	41 MW	3	N21
1 October at 06:32	3 MW	2	N20
1 October at 06:14	4 MW	2	N
1 October at 05:36	10 MW	2	N21
1 October at 02:20	30 MW	1	Terra
30 September at 20:26	132 MW	4	Aqua
30 September at 19:30	8 MW	1	N20
30 September at 19:09	161 MW	19	N
30 September at 18:35	274 MW	33	N21
30 September at 17:48	78 MW	5	N20
30 September at 06:53	2 MW	2	N20
30 September at 06:32	2 MW	2	N
30 September at 01:39	4 MW	1	Terra
29 September at 19:28	5 MW	1	N
29 September at 18:52	70 MW	10	N21
29 September at 18:07	20 MW	2	N20
28 September at 20:49	47 MW	4	Aqua
28 September at 19:09	87 MW	10	N21
28 September at 18:26	44 MW	7	N20
28 September at 18:07	4 MW	1	N
28 September at 06:32	33 MW	10	N21
28 September at 05:47	54 MW	5	N20
28 September at 01:58	47 MW	2	Terra
27 September at 18:45	385 MW	25	N20
27 September at 18:26	225 MW	7	N
27 September at 17:50	69 MW	7	N21
27 September at 06:08	5 MW	4	N20
27 September at 05:47	6 MW	4	N
27 September at 01:20	41 MW	2	Terra
26 September at 19:05	9 MW	1	N20
26 September at 18:43	24 MW	5	N
25 September at 06:44	3 MW	3	N20
25 September at 06:25	4 MW	2	N
25 September at 05:49	2 MW	1	N21
25 September at 01:41	23 MW	3	Terra
24 September at 06:44	1 MW	1	N

8 other fires near Maranhão (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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