Fire near Maranhão (BR)

1.93°S, 45.64°W · first detected on 18 October at 17:56

What the satellites measured

This fire was tracked from 18 October at 17:56 to 22 October at 19:17, that is 4 days, through 212 satellite detections. The detected extent reaches 3,585 ha.

Detected extent: 3,585 ha
Cumulative power: 2,821 MW
Peak power, one pixel: 146 MW
VIIRS and MODIS detections: 212
Estimated emissions: 3.3 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 18 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 7 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
22 October at 22:14	11 MW	1	Met12
22 October at 21:54	11 MW	1	Met12
22 October at 21:24	12 MW	1	Met12
22 October at 21:14	34 MW	2	Met12
22 October at 21:05	37 MW	1	G19FRP
22 October at 21:00	50 MW	1	G19
22 October at 20:14	24 MW	2	Met12
22 October at 20:04	13 MW	1	Met12
22 October at 19:40	56 MW	1	G19
22 October at 19:34	15 MW	1	Met12
22 October at 19:30	106 MW	2	G19
22 October at 19:24	33 MW	1	Met12
22 October at 19:20	182 MW	3	G19
22 October at 19:17	121 MW	13	N20
22 October at 19:10	140 MW	2	G19
22 October at 19:04	99 MW	2	Met12
22 October at 19:00	287 MW	4	G19
22 October at 18:58	135 MW	12	N
22 October at 18:50	223 MW	3	G19
22 October at 18:44	34 MW	1	Met12
22 October at 18:40	401 MW	5	G19
22 October at 18:30	142 MW	2	G19
22 October at 18:22	246 MW	25	N21
22 October at 18:20	215 MW	3	G19
22 October at 18:10	98 MW	1	G19
22 October at 18:00	176 MW	2	G19
22 October at 17:50	94 MW	1	G19
22 October at 17:44	122 MW	2	Met12
22 October at 17:40	464 MW	5	G19
22 October at 17:35	112 MW	1	G19FRP
22 October at 17:30	123 MW	1	G19
22 October at 17:24	157 MW	3	Met12
22 October at 17:20	340 MW	4	G19
22 October at 17:05	113 MW	1	G19FRP
22 October at 16:45	122 MW	1	G19FRP
22 October at 16:25	160 MW	1	G19FRP
22 October at 16:24	198 MW	4	Met12
22 October at 16:20	634 MW	5	G19
22 October at 15:35	95 MW	1	G19FRP
22 October at 15:30	220 MW	2	G19
22 October at 15:24	35 MW	1	Met12
22 October at 15:20	184 MW	2	G19
22 October at 15:10	83 MW	1	G19
22 October at 14:25	33 MW	1	G19FRP
22 October at 14:15	315 MW	5	G19FRP
22 October at 13:54	53 MW	1	Met12
22 October at 13:34	31 MW	2	Terra
22 October at 08:59	11 MW	1	Aqua
22 October at 07:05	17 MW	1	G19FRP
22 October at 06:55	17 MW	1	G19FRP
22 October at 06:50	19 MW	1	G19
22 October at 06:45	22 MW	1	G19FRP
22 October at 06:38	33 MW	6	N20
22 October at 06:35	26 MW	1	G19FRP
22 October at 06:30	29 MW	1	G19
22 October at 06:25	28 MW	1	G19FRP
22 October at 06:24	23 MW	2	Met12
22 October at 06:20	31 MW	1	G19
22 October at 06:17	32 MW	5	N
22 October at 06:14	12 MW	1	Met12
22 October at 06:10	30 MW	1	G19
22 October at 06:05	32 MW	1	G19FRP
22 October at 06:04	16 MW	1	Met12
22 October at 06:00	36 MW	1	G19
22 October at 05:55	36 MW	1	G19FRP
22 October at 05:54	11 MW	1	Met12
22 October at 05:50	41 MW	1	G19
22 October at 05:44	38 MW	3	Met12
22 October at 05:42	42 MW	4	N21
22 October at 05:40	42 MW	1	G19
22 October at 05:35	47 MW	1	G19FRP
22 October at 05:34	45 MW	3	Met12
22 October at 05:30	53 MW	1	G19
22 October at 05:25	52 MW	1	G19FRP
22 October at 05:24	53 MW	3	Met12
22 October at 05:20	59 MW	1	G19
22 October at 05:15	46 MW	1	G19FRP
22 October at 05:14	29 MW	2	Met12
22 October at 05:10	53 MW	1	G19
22 October at 05:05	50 MW	1	G19FRP
22 October at 05:04	52 MW	3	Met12
22 October at 05:00	57 MW	1	G19
22 October at 04:55	47 MW	1	G19FRP
22 October at 04:50	54 MW	1	G19
22 October at 04:44	60 MW	3	Met12
22 October at 04:40	56 MW	1	G19
22 October at 04:35	57 MW	1	G19FRP
22 October at 04:34	44 MW	3	Met12
22 October at 04:30	64 MW	1	G19
22 October at 04:25	47 MW	1	G19FRP
22 October at 04:24	30 MW	2	Met12
22 October at 04:20	53 MW	1	G19
22 October at 04:15	44 MW	1	G19FRP
22 October at 04:14	38 MW	2	Met12
22 October at 04:10	50 MW	1	G19
22 October at 04:05	38 MW	1	G19FRP
22 October at 04:04	16 MW	1	Met12
22 October at 04:00	44 MW	1	G19
22 October at 03:55	34 MW	1	G19FRP
22 October at 03:54	33 MW	2	Met12
22 October at 03:50	39 MW	1	G19
22 October at 03:44	41 MW	2	Met12
22 October at 03:40	50 MW	1	G19
22 October at 03:30	51 MW	1	G19
22 October at 03:24	55 MW	3	Met12
22 October at 03:20	48 MW	1	G19
22 October at 03:14	41 MW	3	Met12
22 October at 03:10	55 MW	1	G19
22 October at 03:00	39 MW	1	G19
22 October at 02:54	30 MW	2	Met12
22 October at 02:50	51 MW	1	G19
22 October at 02:44	11 MW	1	Met12
22 October at 02:40	56 MW	1	G19
22 October at 02:36	68 MW	1	Met10
22 October at 02:35	68 MW	1	G19FRP
22 October at 02:30	78 MW	1	G19
22 October at 02:25	52 MW	1	G19FRP
22 October at 02:24	57 MW	2	Met12
22 October at 02:21	65 MW	1	Met10
22 October at 02:20	60 MW	1	G19
22 October at 02:15	66 MW	2	G19FRP
22 October at 02:14	38 MW	1	Met12
22 October at 02:10	54 MW	1	G19
22 October at 02:06	61 MW	1	Met10
22 October at 02:05	63 MW	1	G19FRP
22 October at 02:04	77 MW	3	Met12
22 October at 02:00	73 MW	1	G19
22 October at 01:34	27 MW	1	Met12
22 October at 01:30	82 MW	1	G19
22 October at 01:25	198 MW	4	G19FRP
22 October at 01:24	152 MW	3	Met12
22 October at 01:21	256 MW	3	Met10
22 October at 01:20	131 MW	1	G19
22 October at 01:15	202 MW	3	G19FRP
22 October at 01:14	262 MW	2	Terra
22 October at 01:14	228 MW	5	Met12
22 October at 01:10	152 MW	1	G19
22 October at 01:06	263 MW	3	Met10
22 October at 01:05	166 MW	2	G19FRP
22 October at 01:04	96 MW	1	Met12
22 October at 01:00	150 MW	1	G19
22 October at 00:55	165 MW	1	G19FRP
22 October at 00:54	35 MW	1	Met12
22 October at 00:51	290 MW	3	Met10
22 October at 00:50	192 MW	1	G19
22 October at 00:45	189 MW	2	G19FRP
22 October at 00:44	15 MW	1	Met12
22 October at 00:40	187 MW	1	G19
22 October at 00:36	253 MW	3	Met10
22 October at 00:35	164 MW	3	G19FRP
22 October at 00:34	108 MW	2	Met12
22 October at 00:30	120 MW	1	G19
22 October at 00:25	66 MW	1	G19FRP
22 October at 00:24	37 MW	1	Met12
22 October at 00:21	121 MW	2	Met10
22 October at 00:20	78 MW	1	G19
22 October at 00:14	63 MW	2	Met12
22 October at 00:10	78 MW	1	G19
22 October at 00:05	25 MW	1	G19FRP
22 October at 00:00	32 MW	1	G19
21 October at 23:55	24 MW	1	G19FRP
21 October at 23:50	30 MW	1	G19
21 October at 23:45	42 MW	1	G19FRP
21 October at 23:44	54 MW	3	Met12
21 October at 23:40	51 MW	1	G19
21 October at 23:36	58 MW	1	Met10
21 October at 23:34	61 MW	4	Met12
21 October at 23:30	43 MW	1	G19
21 October at 23:24	49 MW	2	Met12
21 October at 23:21	68 MW	1	Met10
21 October at 23:20	46 MW	1	G19
21 October at 23:15	31 MW	1	G19FRP
21 October at 23:14	48 MW	3	Met12
21 October at 23:10	38 MW	1	G19
21 October at 23:06	126 MW	2	Met10
21 October at 23:05	42 MW	1	G19FRP
21 October at 23:04	68 MW	3	Met12
21 October at 23:00	96 MW	2	G19
21 October at 22:55	41 MW	1	G19FRP
21 October at 22:54	112 MW	4	Met12
21 October at 22:51	325 MW	5	Met10
21 October at 22:50	126 MW	2	G19
21 October at 22:45	89 MW	2	G19FRP
21 October at 22:44	97 MW	3	Met12
21 October at 22:40	77 MW	1	G19
21 October at 22:36	248 MW	5	Met10
21 October at 22:34	41 MW	2	Met12
21 October at 22:25	104 MW	2	G19FRP
21 October at 22:24	59 MW	2	Met12
21 October at 22:21	315 MW	7	Met10
21 October at 22:20	84 MW	1	G19
21 October at 22:15	59 MW	1	G19FRP
21 October at 22:14	54 MW	3	Met12
21 October at 22:10	74 MW	1	G19
21 October at 22:06	348 MW	5	Met10
21 October at 22:05	27 MW	1	G19FRP
21 October at 22:04	62 MW	3	Met12
21 October at 21:54	128 MW	2	Met12
21 October at 21:51	489 MW	5	Met10
21 October at 21:50	238 MW	2	G19
21 October at 21:44	284 MW	6	Met12
21 October at 21:40	278 MW	2	G19
21 October at 21:36	315 MW	3	Met10
21 October at 21:35	27 MW	1	G19FRP
21 October at 21:34	102 MW	3	Met12
21 October at 21:30	273 MW	3	G19
21 October at 21:25	32 MW	1	G19FRP
21 October at 21:24	62 MW	2	Met12
21 October at 21:21	259 MW	3	Met10
21 October at 21:20	83 MW	1	G19
21 October at 21:05	83 MW	2	G19FRP
21 October at 20:54	35 MW	1	Met12
21 October at 20:51	103 MW	1	Met10
21 October at 20:50	409 MW	5	G19
21 October at 20:45	47 MW	1	G19FRP
21 October at 20:40	256 MW	3	G19
21 October at 20:38	327 MW	12	Aqua
21 October at 20:34	24 MW	1	Met12
21 October at 20:30	212 MW	3	G19
21 October at 20:24	46 MW	1	Met12
21 October at 20:21	88 MW	1	Met10
21 October at 20:20	82 MW	1	G19
21 October at 20:10	296 MW	4	G19
21 October at 20:05	54 MW	1	G19FRP
21 October at 20:00	287 MW	4	G19
21 October at 19:54	77 MW	2	Met12
21 October at 19:50	483 MW	6	G19
21 October at 19:45	213 MW	2	G19FRP
21 October at 19:44	90 MW	2	Met12
21 October at 19:40	548 MW	6	G19
21 October at 19:35	146 MW	1	G19FRP
21 October at 19:34	256 MW	6	Met12
21 October at 19:30	347 MW	5	G19
21 October at 19:24	111 MW	2	Met12
21 October at 19:20	265 MW	2	G19
21 October at 19:17	281 MW	35	N
21 October at 19:14	115 MW	4	Met12
21 October at 19:10	234 MW	3	G19
21 October at 19:05	275 MW	2	G19FRP
21 October at 19:04	171 MW	3	Met12
21 October at 19:00	296 MW	3	G19
21 October at 18:54	19 MW	1	Met12
21 October at 18:50	194 MW	2	G19
21 October at 18:45	47 MW	1	G19FRP
21 October at 18:40	70 MW	1	G19
21 October at 18:39	329 MW	28	N21
21 October at 18:24	72 MW	3	Met12
21 October at 18:14	29 MW	2	Met12
21 October at 17:56	14 MW	2	N20
21 October at 17:50	128 MW	2	G19
21 October at 17:45	80 MW	1	G19FRP
21 October at 17:40	47 MW	1	G19
21 October at 13:50	32 MW	1	G19
21 October at 06:57	2 MW	1	N20
21 October at 06:38	3 MW	3	N
21 October at 06:00	6 MW	3	N21
21 October at 01:00	47 MW	1	G19
21 October at 00:50	34 MW	1	G19
21 October at 00:20	42 MW	1	G19
21 October at 00:14	55 MW	1	Met12
21 October at 00:10	79 MW	1	G19
21 October at 00:00	57 MW	1	G19
20 October at 23:30	67 MW	1	G19
20 October at 23:24	11 MW	1	Met12
20 October at 23:00	57 MW	1	G19
20 October at 22:54	12 MW	1	Met12
20 October at 22:40	106 MW	1	G19
20 October at 22:34	326 MW	8	Met12
20 October at 22:30	424 MW	3	G19
20 October at 22:24	352 MW	9	Met12
20 October at 22:20	397 MW	3	G19
20 October at 22:14	382 MW	10	Met12
20 October at 22:10	427 MW	3	G19
20 October at 22:04	514 MW	10	Met12
20 October at 22:00	605 MW	4	G19
20 October at 21:54	462 MW	10	Met12
20 October at 21:50	546 MW	4	G19
20 October at 21:44	128 MW	5	Met12
20 October at 21:40	213 MW	2	G19
20 October at 21:34	533 MW	11	Met12
20 October at 21:30	609 MW	5	G19
20 October at 21:24	172 MW	5	Met12
20 October at 21:20	264 MW	2	G19
20 October at 21:14	200 MW	5	Met12
20 October at 21:10	365 MW	3	G19
20 October at 21:04	114 MW	2	Met12
20 October at 21:00	379 MW	3	G19
20 October at 20:54	562 MW	10	Met12
20 October at 20:50	279 MW	2	G19
20 October at 20:44	296 MW	6	Met12
20 October at 20:40	565 MW	4	G19
20 October at 20:34	841 MW	11	Met12
20 October at 20:30	671 MW	3	G19
20 October at 20:24	120 MW	4	Met12
20 October at 20:20	966 MW	5	G19
20 October at 20:14	696 MW	8	Met12
20 October at 20:10	464 MW	4	G19
20 October at 20:04	151 MW	6	Met12
20 October at 20:00	604 MW	4	G19
20 October at 19:54	42 MW	2	Met12
20 October at 19:44	34 MW	1	Met12
20 October at 19:40	757 MW	6	G19
20 October at 19:37	17 MW	2	N
20 October at 19:34	250 MW	6	Met12
20 October at 19:30	521 MW	3	G19
20 October at 19:24	602 MW	5	Met12
20 October at 19:20	361 MW	2	G19
20 October at 19:14	223 MW	5	Met12
20 October at 19:10	281 MW	2	G19
20 October at 19:00	194 MW	2	G19
20 October at 18:58	527 MW	20	N21
20 October at 18:50	169 MW	1	G19
20 October at 18:40	273 MW	3	G19
20 October at 18:20	47 MW	1	G19
20 October at 18:16	30 MW	4	N20
20 October at 18:10	421 MW	3	G19
20 October at 17:40	39 MW	1	G19
19 October at 06:38	1 MW	1	N21
18 October at 20:24	27 MW	1	Aqua
18 October at 18:52	130 MW	14	N20
18 October at 18:35	108 MW	11	N
18 October at 17:56	108 MW	5	N21

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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