Overall Green Volcanic eruption for Sheveluch in Russia on 27 Nov 2025 16:01 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green Volcanic eruption for Sheveluch

in Russia

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

08/12 23:52 2025-240 TOKYO

08/12 18:00 2025-239 TOKYO

08/12 12:00 2025-238 TOKYO

08/12 07:39 2025-237 TOKYO

07/12 11:50 2025-236 TOKYO

07/12 05:58 2025-235 TOKYO

07/12 01:35 2025-234 TOKYO

07/12 00:00 2025-233 TOKYO

06/12 20:37 2025-232 TOKYO

06/12 19:22 2025-231 TOKYO

06/12 18:06 2025-024 ANCHORAGE

06/12 18:00 2025-230 TOKYO

06/12 13:29 2025-229 TOKYO

06/12 12:00 2025-228 TOKYO

06/12 07:24 2025-227 TOKYO

05/12 23:52 2025-226 TOKYO

05/12 18:28 2025-225 TOKYO

01/12 23:50 2025-224 TOKYO

01/12 19:56 2025-223 TOKYO

01/12 18:00 2025-222 TOKYO

01/12 14:42 2025-221 TOKYO

01/12 05:50 2025-220 TOKYO

01/12 00:00 2025-219 TOKYO

30/11 18:00 2025-218 TOKYO

30/11 12:00 2025-217 TOKYO

30/11 07:45 2025-216 TOKYO

29/11 00:15 2025-023 ANCHORAGE

28/11 18:00 2025-215 TOKYO

28/11 16:01 2025-022 ANCHORAGE

28/11 12:00 2025-214 TOKYO

28/11 06:03 2025-213 TOKYO

28/11 00:00 2025-212 TOKYO

27/11 18:00 2025-211 TOKYO

27/11 16:01 2025-210 TOKYO

27/11 12:31 2025-209 TOKYO

Volcanic Ash Advisory issued on 2025-12-08 at 23:52 UTC.

Key information extracted from original VAA message :

Volcanic ash dissipated on satellite imagery.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-08 at 18:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2025-12-08 at 12:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-08 at 07:39 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-08 07:10 UTC flight level 220 (6600m) extend north east.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-07 at 11:50 UTC.

Key information extracted from original VAA message :

Volcanic ash dissipated on satellite imagery.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-07 at 05:58 UTC.

Key information extracted from original VAA message :

Poss volcanic ash continuously observation in satellite imagery.
Volcanic ash obscured by meteorological cloud. However volcanic ash is still expected in the area. Volcanic ash of previous vaa[northern part] is not identifiable due to meteorological cloud or has dissipated.

Original Message :

Volcanic Ash Advisory issued on 2025-12-07 at 01:35 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-07 01:00 UTC flight level 120 (3600m) extend north.
New volcanic ash observation in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2025-12-07 at 00:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
Volcanic ash of previous vaa[fl110] has dissipated in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2025-12-06 at 20:37 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-06 19:50 UTC flight level 110 (3300m) extend north.
New volcanic ash observation in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2025-12-06 at 19:22 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-06 18:40 UTC flight level 120 (3600m) extend north.
Volcanic ash of previous vaa has dissipated in satellite imagery. New volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2025-12-06 at 18:06 UTC.

Key information extracted from original VAA message :

Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ns.

Original Message :

Volcanic Ash Advisory issued on 2025-12-06 at 18:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-06 at 13:29 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-06 12:40 UTC flight level 120 (3600m) extend north.
Volcanic ash of previous vaa has dissipated in satellite imagery. New volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2025-12-06 at 12:00 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-06 11:10 UTC flight level 110 (3300m) extend north.
Volcanic ash of previous vaa has dissipated in satellite imagery. New volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2025-12-06 at 07:24 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-06 06:30 UTC flight level 120 (3600m) extend north.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-05 at 23:52 UTC.

Key information extracted from original VAA message :

Volcanic ash is not identifiable in satellite imagery.
Volcanic ash is not identifiable due to meteorological cloud or has dissipated. We will issue further advisory if volcanic ash detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2025-12-05 at 18:28 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-05 17:40 UTC flight level 120 (3600m) extend north.
Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2025-12-01 at 23:50 UTC.

Key information extracted from original VAA message :

Volcanic ash dissipated on satellite imagery.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-01 at 19:56 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-12-01 18:30 UTC flight level 170 (5100m) extend north.
Volcanic ash of previous vaa has dissipated in satellite imagery. New volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2025-12-01 at 18:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-01 at 14:42 UTC.

Key information extracted from original VAA message :

Volcanic ash at 2025-12-01 14:20 UTC flight level 150 (4500m) extend nw.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-12-01 at 05:50 UTC.

Key information extracted from original VAA message :

Volcanic ash is not identifiable in satellite imagery.
Volcanic ash is not identifiable due to meteorological cloud or has dissipated. We will issue further advisory if volcanic ash detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2025-12-01 at 00:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2025-11-30 at 18:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2025-11-30 at 12:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2025-11-30 at 07:45 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-11-30 06:10 UTC flight level 160 (4800m) extend se.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-11-29 at 00:15 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
Volcanic ash advisory center tokyo has transferred responsibility of this event to volcanic ash advisory center anchorage. This advisory updates message fvfe01 rjtd. Bh.

Original Message :

Volcanic Ash Advisory issued on 2025-11-28 at 18:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
The responsibility for this ash event is being transferred to volcanic ash advisory center anchorage. The next advisory will be issued by volcanic ash advisory center anchorage by 0000UTC under header fvak21 pawu.

Original Message :

Volcanic Ash Advisory issued on 2025-11-28 at 16:01 UTC.

Key information extracted from original VAA message :

Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ns.

Original Message :

Volcanic Ash Advisory issued on 2025-11-28 at 12:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
Volcanic ash of previous vaa [fl180] has dissipated in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2025-11-28 at 06:03 UTC.

Key information extracted from original VAA message :

Eruption at 2025-11-28 05:00 UTC flight level 180 (5400m) extend ese reported.
Some part of volcanic ash obscured by meteorological cloud. New eruption reported.

Original Message :

Volcanic Ash Advisory issued on 2025-11-28 at 00:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-11-27 at 18:00 UTC.

Key information extracted from original VAA message :

Volcanic ash continuously observation in satellite imagery.
None.

Original Message :

Volcanic Ash Advisory issued on 2025-11-27 at 16:01 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-11-27 15:00 UTC flight level 250 (7500m) extend e.
New volcanic ash observation in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2025-11-27 at 12:31 UTC.

Key information extracted from original VAA message :

Poss eruption observation at 2025-11-27 11:30 UTC flight level 220 (6600m) extend e.
None.

Original Message :

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