Fire near Maranhão (BR)

4.18°S, 44.25°W · first detected on 18 October at 18:33

What the satellites measured

This fire was tracked from 18 October at 18:33 to 22 October at 06:38, that is 4 days, through 22 satellite detections. The detected extent reaches 1,066 ha.

Detected extent: 1,066 ha
Cumulative power: 423 MW
Peak power, one pixel: 239 MW
VIIRS and MODIS detections: 22
Estimated emissions: 3.7 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 18 October 2026 to 22 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 6 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 06:35	24 MW	1	G19FRP
23 October at 06:30	26 MW	1	G19
23 October at 06:25	27 MW	1	G19FRP
23 October at 06:24	14 MW	1	Met12
23 October at 06:20	30 MW	1	G19
23 October at 06:19	50 MW	19	N20
23 October at 06:15	30 MW	1	G19FRP
23 October at 06:14	13 MW	1	Met12
23 October at 06:10	35 MW	1	G19
23 October at 06:05	20 MW	1	G19FRP
23 October at 06:04	16 MW	1	Met12
23 October at 06:00	36 MW	6	N
23 October at 06:00	45 MW	1	G19
23 October at 05:55	53 MW	2	G19FRP
23 October at 05:54	15 MW	1	Met12
23 October at 05:50	34 MW	1	G19
23 October at 05:45	31 MW	1	G19FRP
23 October at 05:44	29 MW	2	Met12
23 October at 05:40	48 MW	1	G19
23 October at 05:35	80 MW	2	G19FRP
23 October at 05:35	51 MW	1	Met10
23 October at 05:34	48 MW	2	Met12
23 October at 05:30	59 MW	1	G19
23 October at 05:25	40 MW	1	G19FRP
23 October at 05:20	81 MW	1	Met10
23 October at 05:20	72 MW	1	G19
23 October at 05:15	140 MW	3	G19FRP
23 October at 05:14	106 MW	2	Met12
23 October at 05:10	80 MW	1	G19
23 October at 05:05	104 MW	1	G19FRP
23 October at 05:05	184 MW	2	Met10
23 October at 05:04	123 MW	3	Met12
23 October at 05:00	116 MW	1	G19
23 October at 04:54	159 MW	4	Met12
23 October at 04:50	105 MW	1	G19
23 October at 04:50	394 MW	4	Met10
23 October at 04:45	40 MW	1	G19FRP
23 October at 04:44	115 MW	3	Met12
23 October at 04:40	116 MW	1	G19
23 October at 04:35	369 MW	4	Met10
23 October at 04:35	102 MW	2	G19FRP
23 October at 04:34	102 MW	3	Met12
23 October at 04:30	166 MW	1	G19
23 October at 04:24	252 MW	4	Met12
23 October at 04:20	516 MW	5	Met10
23 October at 04:20	146 MW	1	G19
23 October at 04:15	116 MW	2	G19FRP
23 October at 04:14	245 MW	4	Met12
23 October at 04:10	177 MW	1	G19
23 October at 04:05	645 MW	5	Met10
23 October at 04:05	373 MW	3	G19FRP
23 October at 04:04	297 MW	6	Met12
23 October at 04:00	367 MW	2	G19
23 October at 03:55	284 MW	3	G19FRP
23 October at 03:54	233 MW	3	Met12
23 October at 03:50	173 MW	1	G19
23 October at 03:50	414 MW	4	Met10
23 October at 03:45	125 MW	3	G19FRP
23 October at 03:44	200 MW	4	Met12
23 October at 03:40	172 MW	1	G19
23 October at 03:35	366 MW	5	Met10
23 October at 03:35	180 MW	2	G19FRP
23 October at 03:34	159 MW	4	Met12
23 October at 03:30	146 MW	1	G19
23 October at 03:25	299 MW	5	G19FRP
23 October at 03:24	150 MW	4	Met12
23 October at 03:20	152 MW	1	G19
23 October at 03:20	399 MW	5	Met10
23 October at 03:15	257 MW	3	G19FRP
23 October at 03:14	238 MW	7	Met12
23 October at 03:10	181 MW	1	G19
23 October at 03:05	86 MW	2	G19FRP
23 October at 03:05	432 MW	5	Met10
23 October at 03:04	77 MW	2	Met12
23 October at 03:00	200 MW	1	G19
23 October at 02:55	385 MW	5	G19FRP
23 October at 02:54	217 MW	4	Met12
23 October at 02:51	118 MW	2	Met10
23 October at 02:50	476 MW	4	Met10
23 October at 02:50	197 MW	1	G19
23 October at 02:45	274 MW	2	G19FRP
23 October at 02:44	163 MW	3	Met12
23 October at 02:40	387 MW	2	G19
23 October at 02:36	763 MW	6	Met10
23 October at 02:35	54 MW	1	G19FRP
23 October at 02:30	379 MW	2	G19
23 October at 02:25	229 MW	2	G19FRP
23 October at 02:24	498 MW	6	Met12
23 October at 02:21	970 MW	7	Met10
23 October at 02:20	529 MW	2	G19
23 October at 02:15	663 MW	3	G19FRP
23 October at 02:14	401 MW	5	Met12
23 October at 02:10	675 MW	2	G19
23 October at 02:06	1,075 MW	6	Met10
23 October at 02:05	325 MW	3	G19FRP
23 October at 02:04	553 MW	6	Met12
23 October at 02:00	764 MW	3	G19
23 October at 01:52	1,820 MW	12	Terra
23 October at 01:36	1,523 MW	6	Met10
23 October at 01:34	35 MW	1	Met12
23 October at 01:30	1,237 MW	4	G19
23 October at 01:25	434 MW	2	G19FRP
23 October at 01:24	1,081 MW	11	Met12
23 October at 01:21	1,643 MW	7	Met10
23 October at 01:20	1,243 MW	4	G19
23 October at 01:15	384 MW	3	G19FRP
23 October at 01:14	888 MW	10	Met12
23 October at 01:10	951 MW	3	G19
23 October at 01:06	1,425 MW	8	Met10
23 October at 01:05	860 MW	5	G19FRP
23 October at 01:04	300 MW	3	Met12
23 October at 01:00	1,152 MW	5	G19
23 October at 00:55	108 MW	1	G19FRP
23 October at 00:54	86 MW	1	Met12
23 October at 00:50	221 MW	1	G19
23 October at 00:35	148 MW	2	G19FRP
23 October at 00:15	458 MW	2	G19FRP
23 October at 00:14	164 MW	2	Met12
23 October at 00:10	726 MW	3	G19
23 October at 00:06	798 MW	8	Met10
23 October at 00:05	498 MW	4	G19FRP
23 October at 00:00	716 MW	4	G19
22 October at 23:55	517 MW	2	G19FRP
22 October at 23:50	317 MW	2	G19
22 October at 23:45	533 MW	4	G19FRP
22 October at 23:35	1,625 MW	7	G19FRP
22 October at 23:30	1,158 MW	2	G19
22 October at 23:25	1,901 MW	7	G19FRP
22 October at 23:21	2,277 MW	7	Met10
22 October at 23:20	1,760 MW	4	G19
22 October at 23:15	1,967 MW	6	G19FRP
22 October at 23:10	2,270 MW	6	G19
22 October at 23:06	1,403 MW	6	Met10
22 October at 23:05	1,695 MW	4	G19FRP
22 October at 23:04	202 MW	2	Met12
22 October at 23:00	2,323 MW	5	G19
22 October at 22:55	1,575 MW	5	G19FRP
22 October at 22:54	447 MW	4	Met12
22 October at 22:51	207 MW	2	Met10
22 October at 22:36	718 MW	4	Met10
22 October at 22:35	2,252 MW	4	G19FRP
22 October at 22:34	303 MW	3	Met12
22 October at 22:30	2,644 MW	4	G19
22 October at 22:25	2,736 MW	7	G19FRP
22 October at 22:24	370 MW	2	Met12
22 October at 22:21	2,180 MW	7	Met10
22 October at 22:20	2,744 MW	5	G19
22 October at 22:15	2,353 MW	6	G19FRP
22 October at 22:14	370 MW	4	Met12
22 October at 22:10	2,672 MW	6	G19
22 October at 22:05	2,017 MW	7	G19FRP
22 October at 22:04	189 MW	3	Met12
22 October at 22:00	2,263 MW	6	G19
22 October at 21:55	1,792 MW	7	G19FRP
22 October at 21:54	154 MW	2	Met12
22 October at 21:50	903 MW	2	G19
22 October at 21:45	1,491 MW	6	G19FRP
22 October at 21:44	1,289 MW	7	Met12
22 October at 21:40	1,373 MW	4	G19
22 October at 21:35	819 MW	2	G19FRP
22 October at 21:34	53 MW	1	Met12
22 October at 21:30	649 MW	2	G19
22 October at 21:25	1,077 MW	5	G19FRP
22 October at 21:20	372 MW	2	G19
22 October at 21:15	1,128 MW	4	G19FRP
22 October at 21:05	611 MW	3	G19FRP
22 October at 20:55	2,620 MW	6	G19FRP
22 October at 20:54	1,483 MW	14	Met12
22 October at 20:51	249 MW	1	Met10
22 October at 20:50	924 MW	1	G19
22 October at 20:45	166 MW	1	G19FRP
22 October at 20:44	662 MW	9	Met12
22 October at 20:40	197 MW	2	G19
22 October at 20:34	1,348 MW	11	Met12
22 October at 20:30	116 MW	1	G19
22 October at 20:25	1,469 MW	6	G19FRP
22 October at 20:20	996 MW	2	G19
22 October at 20:15	1,050 MW	4	G19FRP
22 October at 20:10	503 MW	1	G19
22 October at 20:05	886 MW	3	G19FRP
22 October at 20:00	1,026 MW	4	G19
22 October at 19:55	92 MW	1	G19FRP
22 October at 19:54	141 MW	2	Met12
22 October at 19:45	366 MW	3	G19FRP
22 October at 19:40	132 MW	1	G19
22 October at 18:58	40 MW	4	N
22 October at 18:00	34 MW	1	G19
22 October at 17:30	41 MW	1	G19
22 October at 06:38	8 MW	4	N20
22 October at 06:19	7 MW	4	N
22 October at 05:42	8 MW	4	N21
22 October at 03:15	21 MW	1	G19FRP
22 October at 03:14	12 MW	1	Met12
22 October at 03:10	24 MW	1	G19
22 October at 03:05	24 MW	1	G19FRP
22 October at 03:04	24 MW	1	Met12
22 October at 03:00	27 MW	1	G19
22 October at 02:54	15 MW	1	Met12
22 October at 02:50	44 MW	1	Met10
22 October at 02:50	37 MW	1	G19
22 October at 02:44	39 MW	2	Met12
22 October at 02:40	40 MW	1	G19
22 October at 02:35	61 MW	1	Met10
22 October at 02:34	12 MW	1	Met12
22 October at 02:30	44 MW	1	G19
22 October at 02:25	50 MW	1	G19FRP
22 October at 02:24	46 MW	2	Met12
22 October at 02:21	62 MW	1	Met10
22 October at 02:20	56 MW	1	G19
22 October at 02:15	57 MW	1	G19FRP
22 October at 02:14	50 MW	3	Met12
22 October at 02:10	64 MW	1	G19
22 October at 02:06	111 MW	2	Met10
22 October at 02:05	33 MW	1	G19FRP
22 October at 02:04	68 MW	2	Met12
22 October at 02:00	80 MW	1	G19
22 October at 01:34	106 MW	3	Met12
22 October at 01:30	161 MW	1	G19
22 October at 01:25	91 MW	2	G19FRP
22 October at 01:24	300 MW	8	Met12
22 October at 01:21	385 MW	4	Met10
22 October at 01:20	220 MW	2	G19
22 October at 01:15	43 MW	1	G19FRP
22 October at 01:14	404 MW	7	Terra
22 October at 01:14	375 MW	9	Met12
22 October at 01:10	344 MW	3	G19
22 October at 01:06	470 MW	4	Met10
22 October at 01:05	132 MW	2	G19FRP
22 October at 01:00	343 MW	2	G19
22 October at 00:55	617 MW	4	G19FRP
22 October at 00:54	44 MW	1	Met12
22 October at 00:51	926 MW	4	Met10
22 October at 00:50	700 MW	3	G19
22 October at 00:45	869 MW	2	G19FRP
22 October at 00:44	433 MW	3	Met12
22 October at 00:40	1,611 MW	5	G19
22 October at 00:36	1,301 MW	3	Met10
22 October at 00:35	662 MW	3	G19FRP
22 October at 00:34	663 MW	2	Met12
22 October at 00:30	1,981 MW	4	G19
22 October at 00:25	2,444 MW	6	G19FRP
22 October at 00:24	239 MW	2	Met12
22 October at 00:21	2,094 MW	6	Met10
22 October at 00:20	3,130 MW	6	G19
22 October at 00:15	1,225 MW	3	G19FRP
22 October at 00:14	819 MW	5	Met12
22 October at 00:10	1,421 MW	3	G19
22 October at 00:06	1,062 MW	4	Met10
22 October at 00:05	414 MW	1	G19FRP
22 October at 00:04	702 MW	8	Met12
22 October at 00:00	891 MW	3	G19
21 October at 23:55	235 MW	1	G19FRP
21 October at 23:54	206 MW	4	Met12
21 October at 23:51	353 MW	3	Met10
21 October at 23:50	373 MW	2	G19
21 October at 23:45	156 MW	1	G19FRP
21 October at 23:44	117 MW	3	Met12
21 October at 23:40	181 MW	1	G19
21 October at 23:36	369 MW	3	Met10
21 October at 23:35	94 MW	1	G19FRP
21 October at 23:34	104 MW	3	Met12
21 October at 23:30	305 MW	2	G19
21 October at 23:25	144 MW	2	G19FRP
21 October at 23:24	142 MW	2	Met12
21 October at 23:21	213 MW	3	Met10
21 October at 23:20	114 MW	1	G19
21 October at 23:15	135 MW	2	G19FRP
21 October at 23:14	134 MW	3	Met12
21 October at 23:10	98 MW	1	G19
21 October at 23:06	248 MW	3	Met10
21 October at 23:05	171 MW	2	G19FRP
21 October at 23:04	168 MW	2	Met12
21 October at 23:00	143 MW	1	G19
21 October at 22:55	238 MW	3	G19FRP
21 October at 22:54	198 MW	3	Met12
21 October at 22:51	138 MW	2	Met10
21 October at 22:50	161 MW	1	G19
21 October at 22:45	199 MW	2	G19FRP
21 October at 22:44	242 MW	7	Met12
21 October at 22:40	155 MW	1	G19
21 October at 22:36	491 MW	6	Met10
21 October at 22:35	301 MW	3	G19FRP
21 October at 22:34	454 MW	9	Met12
21 October at 22:30	175 MW	1	G19
21 October at 22:25	221 MW	2	G19FRP
21 October at 22:24	338 MW	9	Met12
21 October at 22:21	335 MW	4	Met10
21 October at 22:20	294 MW	3	G19
21 October at 22:15	288 MW	4	G19FRP
21 October at 22:14	405 MW	11	Met12
21 October at 22:10	137 MW	1	G19
21 October at 22:06	1,003 MW	10	Met10
21 October at 22:05	876 MW	9	G19FRP
21 October at 22:04	1,019 MW	17	Met12
21 October at 22:00	502 MW	3	G19
21 October at 21:55	317 MW	4	G19FRP
21 October at 21:54	419 MW	14	Met12
21 October at 21:51	370 MW	4	Met10
21 October at 21:50	296 MW	2	G19
21 October at 21:45	307 MW	4	G19FRP
21 October at 21:44	403 MW	11	Met12
21 October at 21:40	303 MW	3	G19
21 October at 21:36	606 MW	7	Met10
21 October at 21:35	552 MW	7	G19FRP
21 October at 21:34	560 MW	12	Met12
21 October at 21:30	282 MW	3	G19
21 October at 21:25	585 MW	7	G19FRP
21 October at 21:24	647 MW	10	Met12
21 October at 21:21	383 MW	5	Met10
21 October at 21:20	652 MW	6	G19
21 October at 21:15	38 MW	1	G19FRP
21 October at 21:14	58 MW	3	Met12
21 October at 21:10	45 MW	1	G19
21 October at 21:06	139 MW	3	Met10
21 October at 21:05	33 MW	1	G19FRP
21 October at 21:04	92 MW	3	Met12
21 October at 21:00	42 MW	1	G19
21 October at 20:54	31 MW	1	Met12
21 October at 20:51	200 MW	3	Met10
21 October at 20:50	45 MW	1	G19
21 October at 20:45	128 MW	2	G19FRP
21 October at 20:44	121 MW	3	Met12
21 October at 20:40	157 MW	2	G19
21 October at 20:36	135 MW	5	Aqua
21 October at 20:36	73 MW	1	Met10
21 October at 20:34	22 MW	1	Met12
21 October at 20:30	45 MW	1	G19
21 October at 20:25	72 MW	1	G19FRP
21 October at 20:24	87 MW	2	Met12
21 October at 20:21	247 MW	3	Met10
21 October at 20:20	181 MW	3	G19
21 October at 20:15	483 MW	3	G19FRP
21 October at 20:14	573 MW	5	Met12
21 October at 20:10	709 MW	5	G19
21 October at 20:06	271 MW	3	Met10
21 October at 20:05	82 MW	1	G19FRP
21 October at 20:00	295 MW	4	G19
21 October at 19:55	287 MW	2	G19FRP
21 October at 19:54	390 MW	7	Met12
21 October at 19:51	355 MW	4	Met10
21 October at 19:50	563 MW	5	G19
21 October at 19:44	183 MW	5	Met12
21 October at 19:40	408 MW	5	G19
21 October at 19:36	276 MW	2	Met10
21 October at 19:34	12 MW	1	Met12
21 October at 19:30	54 MW	1	G19
21 October at 18:39	4 MW	1	N21
21 October at 18:36	113 MW	1	Met10
21 October at 18:21	111 MW	1	Met10
21 October at 18:06	117 MW	1	Met10
21 October at 17:51	189 MW	2	Met10
21 October at 17:36	111 MW	1	Met10
21 October at 17:20	208 MW	2	Met10
21 October at 17:05	207 MW	2	Met10
21 October at 16:50	217 MW	2	Met10
21 October at 16:35	222 MW	2	Met10
21 October at 16:20	125 MW	1	Met10
21 October at 16:05	135 MW	1	Met10
21 October at 15:50	90 MW	1	Met10
21 October at 15:15	91 MW	1	G19FRP
21 October at 15:14	31 MW	1	Met12
21 October at 15:10	243 MW	3	G19
21 October at 15:04	32 MW	1	Met12
21 October at 15:00	58 MW	1	G19
20 October at 19:34	11 MW	1	Met12
20 October at 19:24	26 MW	2	Met12
20 October at 19:10	62 MW	1	G19
20 October at 19:00	139 MW	1	G19
20 October at 18:58	160 MW	9	N21
20 October at 18:54	24 MW	1	Met12
20 October at 18:44	28 MW	1	Met12
20 October at 18:34	63 MW	2	Met12
20 October at 18:30	65 MW	1	G19
20 October at 18:24	23 MW	1	Met12
20 October at 18:20	46 MW	1	G19
20 October at 18:13	67 MW	3	N20
20 October at 18:10	74 MW	1	G19
20 October at 18:04	62 MW	2	Met12
20 October at 18:00	58 MW	1	G19
20 October at 17:56	24 MW	4	N
20 October at 17:54	36 MW	2	Met12
20 October at 17:44	27 MW	1	Met12
20 October at 17:24	32 MW	1	Met12
20 October at 17:20	54 MW	1	G19
20 October at 17:14	35 MW	1	Met12
20 October at 17:04	28 MW	1	Met12
20 October at 16:54	51 MW	1	Met12
20 October at 15:50	68 MW	1	G19
20 October at 06:19	8 MW	7	N21
20 October at 02:54	13 MW	1	Met12
20 October at 01:33	36 MW	4	Terra
19 October at 21:00	38 MW	3	Aqua
19 October at 18:35	65 MW	8	N20
19 October at 18:13	11 MW	1	N
19 October at 17:35	10 MW	1	N21
18 October at 18:52	18 MW	1	N20
18 October at 18:33	11 MW	2	N
18 October at 17:56	13 MW	1	N21
18 October at 06:14	2 MW	1	N20
18 October at 01:54	26 MW	2	Terra
17 October at 19:09	9 MW	2	N20
17 October at 18:52	6 MW	1	N
17 October at 18:13	25 MW	2	N21
17 October at 13:36	45 MW	2	Terra

8 other fires near Maranhão (BR)

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