Anak Krakatau News


Date: 11 September 2023

Anak Krakatau Sunda Strait Indonesia, 11 September  2023

Time:  06.00-12.00  am

Eruption:  2 times 

Amplitude: 22-50 mm

Duration:  232 second

Source: MAGMA INDONESIA


Anak Krakatau Sunda Strait Indonesia, 20 July  2023

Source: Magma Indonesia 

Time: 00.00 - 06.00

Eruption: 19 times

Amplitude: 47 - 56 mm

Duration: 44 - 100 second


Anak Krakatau Sunda Strait Indonesia, 20 July  2023

Eruption with volcanic ash cloud at 0152 UTC (0852 local).

Best estimate of ash-cloud top is around 6902 FT (2157 M) above sea level or 6400 FT (2000 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Ash cloud moving to northwest. Volcanic ash is observed to be gray to dark. The intensity of volcanic ash is observed to be thick.

Eruption recorded on seismogram with maximum amplitude 61 mm and maximum duration 182 second. Generated from Volcanic Eruption Notice (VEN)


Anak Krakatau Sunda Strait Indonesia, 20 July  2023

Eruption with volcanic ash cloud at 0151 UTC (0851 local).

Best estimate of ash-cloud top is around 5302 FT (1657 M) above sea level or 4800 FT (1500 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Ash cloud moving to northwest. Volcanic ash is observed to be gray to dark. The intensity of volcanic ash is observed to be thick.

Eruption recorded on seismogram with maximum amplitude 65 mm and maximum duration 59 second. Generated from Volcanic Eruption Notice (VEN)


Anak Krakatau Sunda Strait Indonesia, 20 July  2023

Source: Magma Indonesia

Anak Krakatau 

Eruption with volcanic ash cloud at 0143 UTC (0843 local).


Best estimate of ash-cloud top is around 2102 FT (657 M) above sea level or 1600 FT (500 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Ash cloud moving to northwest. Volcanic ash is observed to be gray to dark. The intensity of volcanic ash is observed to be thick.

Eruption recorded on seismogram with maximum amplitude 25 mm and maximum duration 73 second. Generated from Volcanic Eruption Notice (VEN)

Anak Krakatau Sunda Strait Indonesia, 19 July  2023

Source: Magma Indonesia 

Time: 12.00 - 18.00

Eruption: 11 times

Amplitude: 24 - 40 mm

Duration: 34 - 104 second


Anak Krakatau Sunda Strait Indonesia, 16 July  2023

Source: Anak Krakatau Volcano Observatory 

Time: 00.00 - 06.00

Eruption: 2 times

Amplitude: 10 - 15 mm

Duration: 76 - 105 second



Anak Krakatau Sunda Strait Indonesia, 15 July  2023

Source: Anak Krakatau Volcano Observatory 

Time: 12.00 - 18.00

Eruption: 10 times

Amplitude: 10 - 15 mm

Duration: 60 - 117 second


Anak Krakatau Sunda Strait Indonesia, 19 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Eruption with volcanic ash cloud at 0122 UTC (0822 local).

Best estimate of ash-cloud top is around 5302 FT (1657 M) above sea level or 4800 FT (1500 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Eruption recorded on seismogram with maximum amplitude 70 mm and maximum duration 182 second. Generated from Volcanic Eruption Notice (VEN)


Sunda Strait Indonesia, 10 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Eruption with volcanic ash cloud at 1730 UTC (0030 local).

Best estimate of ash-cloud top is around 6902 FT (2157 M) above sea level or 6400 FT (2000 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Eruption recorded on seismogram with maximum amplitude 65 mm and maximum duration 436 second. Generated from Volcanic Eruption Notice (VEN)

Sunda Strait Indonesia, 10 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Eruption with volcanic ash cloud at 1050 UTC (1750 local).

Best estimate of ash-cloud top is around 11702 FT (3657 M) above sea level or 11200 FT (3500 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Eruption recorded on seismogram with maximum amplitude 70 mm and maximum duration 157 second. Generated from Volcanic Eruption Notice (VEN)

Sunda Strait Indonesia, 10 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Eruption with volcanic ash cloud at 0731 UTC (1431 local).

Best estimate of ash-cloud top is around 5302 FT (1657 M) above sea level or 4800 FT (1500 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Eruption recorded on seismogram with maximum amplitude 70 mm and maximum duration 169 second. Generated from Volcanic Eruption Notice (VEN)

Sunda Strait Indonesia, 09 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Time: 06.00-12.00

Eruption: 7 times

Amplitude: 29-75 mm

Duration: 25-802 second

Sunda Strait Indonesia, 09 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Eruption with volcanic ash cloud at 0146 UTC (0846 local).

Best estimate of ash-cloud top is around 10102 FT (3157 M) above sea level or 9600 FT (3000 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Eruption recorded on seismogram with maximum amplitude 75 mm and maximum duration 56 second. Generated from Volcanic Eruption Notice (VEN)

Sunda Strait Indonesia, 09 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Eruption with volcanic ash cloud at 0046 UTC (0746 local).

Best estimate of ash-cloud top is around 3062 FT (957 M) above sea level or 2560 FT (800 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Eruption and ash emission is continuing. Generated from Volcanic Eruption Notice (VEN)

Sunda Strait Indonesia, 08 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Eruption with volcanic ash cloud at 0837 UTC (1537 local).

Best estimate of ash-cloud top is around 3702 FT (1157 M) above sea level or 3200 FT (1000 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Eruption recorded on seismogram with maximum amplitude 60 mm and maximum duration 335 second. Generated from Volcanic Eruption Notice (VEN)

Sunda Strait Indonesia, 07 June  2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau 

Eruption with volcanic ash cloud at 1722 UTC (0022 local).

Best estimate of ash-cloud top is around 2102 FT (657 M) above sea level or 1600 FT (500 M) above summit. May be higher than what can be observed clearly. Source of height data: ground observer.

Eruption recorded on seismogram with maximum amplitude 70 mm and maximum duration 89 second. Generated from Volcanic Eruption Notice (VEN)

Sunda Strait Indonesia, 11 May 2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau erupted with volcanic ash cloud at  05:19 local time. Ash-cloud top is around 3157 M above sea level or 9600 M above summit. Eruption recorded on seismogram with maximumamplitude 70 mm and maximum duration 143 second 

Sunda Strait Indonesia, 28 April 2023

Source: Anak Krakatau Volcano Observatory 

Anak Krakatau erupted with volcanic ash cloud at 17:41 (00:41 local time). Ash-cloud top is around 757 M above sea level or 600 M above summit. Eruption recorded on seismogram with maximumamplitude 70 mm and maximum duration 25 second