Overall Green Volcanic eruption for Merapi in Indonesia on 23 Jan 2024 08:31 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 Merapi

in Indonesia

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)

24 Jan 11:17 25 Jan 00:14 25 Jan 05:20 25 Jan 11:20 25 Jan 17:20 25 Jan 23:20 26 Jan 05:20 26 Jan 11:20 26 Jan 17:20 26 Jan 23:20 27 Jan 05:20

27/01 05:20 2024-12 DARWIN

26/01 23:20 2024-11 DARWIN

26/01 17:20 2024-10 DARWIN

26/01 11:20 2024-9 DARWIN

26/01 05:20 2024-8 DARWIN

25/01 23:20 2024-7 DARWIN

25/01 17:20 2024-6 DARWIN

25/01 11:20 2024-5 DARWIN

25/01 05:20 2024-4 DARWIN

25/01 00:14 2024-3 DARWIN

24/01 11:17 2024-2 DARWIN

21/01 09:30 2024-1 DARWIN

Volcanic Ash Advisory issued on 2024-01-27 at 05:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud and is expected to have dissipated. No further reports of new or ongoing eruption. Advisory terminated.

Original Message :

Volcanic Ash Advisory issued on 2024-01-26 at 23:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected and expected to dissipate volcanic ash height and movement based on satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-26 at 17:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash height and movement based on satellite imagery, pilot weather report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-26 at 11:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash height and movement based on satellite imagery, pilot weather report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-26 at 05:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash height and movement based on satellite imagery, pilot weather report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-25 at 23:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 110 (3300m) last observation before a break in coverage at a manual station observation at 25 0400 UTC.
Volcanic ash currently not identifiable on satellite imagery due to darkness, however localised volcanic ash emission still expected. Volcanic ash is expected to dissipate volcanic ash height and movement based on satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-25 at 17:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 110 (3300m) last observation before a break in coverage at a manual station observation at 25 0400 UTC.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash is expected to dissipate volcanic ash height and movement based on satellite imagery, surabaya 25 1200 UTC sounding and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-25 at 11:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 110 (3300m) last observation before a break in coverage at a manual station observation at 25 0400 UTC.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash is expected to dissipate volcanic ash height and movement based on satellite imagery, surabaya 25 0000 UTC sounding and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-25 at 05:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 110 (3300m) last observation before a break in coverage at a manual station observation at 25 0400 UTC.
Volcanic ash not identifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Height and movement based on satellite imagery, surabaya 25 0000 UTC sounding and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-25 at 00:14 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 100 (3000m) ext southwest observation at 24 2350 UTC.
Continuous volcanic ash identifiable on current satellite imagery. Height and movement based on satellite imagery, surabaya 24 1200 UTC sounding and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-24 at 11:17 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Vona state eruption to flight level 140 (4200m) at 24 0900 UTC.
Cvghm report eruption to 1000m above summit. Volcanic ash currently obscured by meteorological cloud. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-21 at 09:30 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash estimated to flight level 200 (6000m) reported at 21 0712 UTC.
Eruption reported at height at 21/0712z. Volcanic ash unidentifiable on latest satellite imagery. Advsiory will be updated if new information is received.

Original Message :

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