Krakatau volcano photos

Aggiornato: 26 maggio 2022 08:37 GMT - Refresh

Anak Krakatau came back to life in late October 2007, following a significant eruption in 1996 and a minor one in 2001. To document this extraordinary volcano, VolcanoDiscovery has been organizing many special expeditions to Krakatau since Nov 2007, where we spend 3-6 days on the island each. For those interested, expeditions can be arranged at fixed dates for small groups or for individuals at custom dates. Have a look at the Krakatau Special page.

Participant and team member Andrej Nikiforov witnessed the ongoing activity in Anak Krakatau's crater lake during the Krakatau Volcano Special tour in Nov 2019. Here some impressions: (Photo: AndreyNikiforov)

Krakatoa volcano, Nov 2019: eruptions from Anak Krakatau and impressions (40 imagine)

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Krakatau volcano 19-23 Nov 2018

We managed to arrive at Krakatau at the end of a very intense phase of activity between 17-19 Nov, which produced a new lava flow that reached the sea along a 150 m wide stretch on the southern shore of Anak Krakatau. At the time of our arrival, the effusion rate must have stopped just hours before at most, but the flow front was still active: (Photo: Tom Pfeiffer)

Krakatau volcano (Indonesia) Nov 2018 eruption: lava flow into the sea (25 imagine)

Expedition organizer Galih observed the activity of the volcano during 12-16 Nov. It was characterized by strong ash emissions and occasional vulcanian-type explosions often accompanied by rare volcanic lightning: (Photo: Galih Jati)

Krakatau volcano (Indonesia): eruption Nov 2018 - volcanic lightnings (8 imagine)

Krakatau volcano (Indonesia): Nov 2018 videos (Photo: Tom Pfeiffer)

Krakatau volcano (Indonesia): Nov 2018 videos (1 immagine)

At the end of the paroxysm during 17-19 Nov, we spent several hours on the boat in about 700 m straight-line distance from the crater, to observe near-continuous explosive activity in the afternoon and evening of 19 Nov. It ranged from weak fountaining to mild to strong strombolian explosions with or without significant ash emissions: (Photo: Tom Pfeiffer)

Krakatau volcano (Indonesia) Nov 2018 eruption: continuous activity on 19 Nov (32 imagine)

Our latest tour to Krakatau during 18-24 Nov rewarded participants with a night filled with fireworks, observed from a paradise beach. What a view! (Photo: Tom Pfeiffer)

Krakatau volcano (Indonesia) Nov 2018 eruption: a night on the beach (28 imagine)

The activity observed on 19 Nov continued in a more or less similar way during 20 Nov, although the frequency of explosions had decreased to typically 30 seconds to 1-2 minutes. As the size of explosions observed during the 36 hours we had been on the island group did not exceed a certain threshold (ejecting bombs to the sea), a part of our group decided to take the calculated risk and spend some time on a favorable viewing spot behind the forest and near the shore of Anak Krakatau.
When eruptions eventually started to increase significantly, we left.
Disclaimer: visiting such spots during eruptive phases of Krakatau is very risky and you should be aware that no place on the island of Anak Krakatau is safe from bombs - unexpected large explosions can occur with no warning at any time. (Photo: Tom Pfeiffer)

Krakatau volcano (Indonesia) Nov 2018 eruption: a magic night on the island (44 imagine)

During 20-21 Nov, activity changes significantly: explosions became more rich in ash and contained much less and much less brighter lava bombs. As well, the intervals between individual events gradually increased overall, reaching up to about 2 hours by 22 Nov afternoon although phases of more frequent activity still occurred.
The most likely cause is that the magma column continued to drop internally and thus favored the formation of a more robust blockage, which in turn favored the occurrence of strong vulcanian-style explosions with less fresh incandescent material, but many fragments of the plug. This process is possibly helped at depth by water seeping into the walls of the conduit (so-called phreatomagmatic activity) as the interior pressure dropped.
Visible activity almost completely ceased during the night 22-23 Nov and picked up only again in the afternoon of 24 Nov, when we saw it from the volcano observatory on our way back. (Photo: Tom Pfeiffer)

Krakatau volcano (Indonesia) Nov 2018 eruption: vulcanian activity (36 imagine)

Various images taken between 20-23 Nov, showing various activity decreasing from very strong (20 Nov) to almost absent at the end of our stay (23 Nov). (Photo: Tom Pfeiffer)

Krakatau volcano (Indonesia) Nov 2018 eruption: miscellaneous (20 imagine)

Krakatau volcano eruption Sep-Oct 2018

Much of the activity of Krakatau we observed could be best described as mild to strong stormbolian activity always rich in ash, occurring at irregular intervals of few minutes to few tens of minutes: (Photo: Tom Pfeiffer)

Krakatau volcano: eruption Oct 2018 - strombolian activity (16 imagine)

Our latest group on the Krakatau to Bali tour was lucky enough to catch the latest eruption of Krakatau in its full splendor. We present a small selection of photos taken by expedition leader Galih showing the spectacular strombolian activity from the summit crater.
If you're interested in visiting Krakatau with us, please check the Krakatau Volcano Special expedition page. (Photo: Galih Jati)

Krakatau volcano in eruption Sep 2018 - tour photos from our expedition leader Galih Jati (12 imagine)

Photos of eruptions during our Oct 2018 tour to Krakatau by expedition organizer Galih (see also Krakatau Volcano Special): (Photo: Galih Jati)

Krakatau volcano - eruption Oct 2018 - Galih's photos (5 imagine)

Ronny shared some of his photos from our recent expedition to Krakatau, showing the "normal" life during such a trip: (Photo: Ronny Quireyns)

Krakatau expedition Oct 2018 - Ronny's tour photos (24 imagine)

On 17 Oct, explosions were particularly violent at Anak Krakatau. We show a series of images of a spectacular explosion captured from close range by boat. 2 months later, the cone of Anak Krakatau collapsed into the sea on the evening of 22 Dec 2018, triggering a catastrophic tsunami (more info).
Continued activity that accumulated more and more weight on the cone, built on top of a steep underwater slope in the SW (left in the images), and shaking by explosions like this might well have been the final trigger for that tragic event. (Photo: Tom Pfeiffer)

Krakatoa volcano eruption Oct 2018: dangerous vulcanian explosion from close (24 imagine)

Along with a small group, Tom Pfeiffer stayed on the island group during a Volcano Special tour from 13-19 Oct: the volcano's activity during this time fluctuated between phases of mild to strong ash venting along with occasional strombolian activity, as well as intermittent powerful vulcanian-type explosions. In this section, some impressions of the violent vulcanian explosions are shown: (Photo: Tom Pfeiffer)

Krakatau volcano: eruption Oct 2018 - vulcanian explosions and lightning (20 imagine)

Along with a small group, Tom Pfeiffer stayed on the island group during a Volcano Special tour from 13-19 Oct: the volcano's activity during this time fluctuated between phases of mild to strong ash venting along with occasional strombolian activity, as well as intermittent powerful vulcanian-type explosions. Ash emissions, both passive and accompanied by strombolian to vulcanian explosions were often continuous: (Photo: Tom Pfeiffer)

Krakatau volcano: eruption Oct 2018 - ash venting (24 imagine)

Along with a small group, Tom Pfeiffer stayed on the island group during a Volcano Special tour from 13-19 Oct. Some impressions from the volcano and the tour: (Photo: Tom Pfeiffer)

Krakatau volcano: eruption Oct 2018 - miscellaneous (32 imagine)

Krakatau volcano July 2012

Vulcano Krakatau (Indonesia): spedizione luglio 2012 - foto di Paul (Photo: Paul Reichert)

Vulcano Krakatau (Indonesia): spedizione luglio 2012 - foto di Paul (56 imagine)

Extensive fumarole fields and large expanses of altered ground are found on the southern and western base of the main cone, especially in the valley between the low, pre-1990 crater rim and the cone. Here are some impressions taken in July during our expedition to Krakatau. (Photo: Tom Pfeiffer)

Vulcano Krakatau (Indonesia) luglio 2012: campi di fumarole (16 imagine)

Impressions from our Krakatau volcano expedition in July 2012. (Photo: Tom Pfeiffer)

Vulcano Krakatau (Indonesia) luglio 2012: spedizione (34 imagine)

Impressions from our Krakatau volcano expedition in July 2012.
Subpages: Fumarole fields | Expedition photos
(Photo: Tom Pfeiffer)

Vulcano Krakatau (Indonesia): Anak Krakatau in luglio 2012 (40 imagine)

Krakatau volcano 2010

Eruzione vulcano di Krakatau Nov 2010 - emissione di cenere (Photo: Tom Pfeiffer)

Eruzione vulcano di Krakatau Nov 2010 - emissione di cenere (31 imagine)

Eruptions at the Krakatau volcano in November 2010. (Photo: Tom Pfeiffer)

Krakatau volcano eruption Nov 2010 (30 imagine)

Eruzione Krakatau 2009

L'attività principale, osservato nel mese di giugno era piccolo all'attività Stromboliane di medie dimensioni, con frequenti esplosioni dal nuovo cratere ad intervalli di 2-5 minuti, gettando i blocchi incandescenti per diverse centinaia di metri di altezza. (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau giugno 2009 - attività Stromboliane (24 imagine)

Dopo una pausa di 36 ore in attività tra la sera del 30 giugno e la mattina del 2 luglio, Anak Krakatau ricominciato con potenti esplosioni Vulcaniano. Il più grande di queste esplosioni furono preceduta da un'inflazione e agitazione del cono attivo o cupola lavica, innescando la roccia-diapositive da suoi fianchi, fino a quando la spina ha dato modo in gigante esplosioni di espellere un rapdly espandendo la massa di lava incandescente, solide rocce e grandi quantità di cenere, formando i pennacchi di fino a 2 km di altezza. Vedi anche questa pagina. (Photo: Jorge Santos)

Eruzione Anak Krakatau luglio 2009: esplosioni vulcaniano (16 imagine)

Eruzione Anak Krakatau 2009 - eruzioni di cenere & fulmini (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau 2009 - eruzioni di cenere & fulmini (16 imagine)

Eruzione Anak Krakatau luglio 2009 - anatomia di un'esplosione (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau luglio 2009 - anatomia di un'esplosione (20 imagine)

Una spedizione VolcanoDiscovery speso 4 notti per Krakatau da 4-8 giugno e osservato Stromboliane forte attività, spesso accompagnati da forti raffiche, da uno sfogo di nuovo che si trova tra il vecchio cratere di vertice e il cratere 2007. Questa attività ha essenzialmente riempito il cratere 2007 con un nuovo cono di cenere e 'guarito' la cicatrice 2007. Al momento di lasciare l'isola ieri, attività era ancora andando forte. Qui ci sono alcune prime impressioni dal tour come osservato tra 4-8 giugno 2009: (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau giugno 2009: foto e impressons (24 imagine)

Eruzione Anak Krakatau giugno 2009 - tempesta, tuoni e fulmini (c)

Eruzione Anak Krakatau giugno 2009 - tempesta, tuoni e fulmini (13 imagine)

Centinaia di esplosioni hanno lasciato il loro segno su Anak Krakatau. Le pendici del vecchio cratere e l'area di foresta superiore sono punteggiate di impatti. La stazione sismologica e molti alberi sono stati distrutti. (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau luglio 2009 - distruzione su Anak Krakatau (12 imagine)

Spedizione Anak Krakatau 2009 - colori (Photo: Tom Pfeiffer)

Spedizione Anak Krakatau 2009 - colori (12 imagine)

Eruzione Anak Krakatau 2007-2008

Abbiamo deciso di rivisitare Anak Krakatau ai primi di luglio. Sua attività di Anak Krakatau era ancora moderatamente forte, anche se singoli esplosioni solo si è verificato a intervalli tra 1-4 hrs. In generale, le eruzioni sono stati più ricchi di cenere che nel mese di novembre, queste eruzioni sono stati ricche di cenere, con frequentano piccoli lampi nei pennacchi di cenere che ha raggiunto fino ad altezza di circa 1 km. (Photo: Tom Pfeiffer)

Krakatau rivisitato: foto di luglio 2008 di spedizione (52 imagine)

Eruzione Anak Krakatau 2007: attività vulcaniano (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau 2007: attività vulcaniano (32 imagine)

Eruzione Anak Krakatau 2007: attività Stromboliane (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau 2007: attività Stromboliane (31 imagine)

Eruzione Anak Krakatau 2007: dettagli (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau 2007: dettagli (42 imagine)

Il tipo più frequente di attività era cenere di sfiato, che si verificano ad intervalli di 2 minuti in genere, ma i pennacchi risultanti erano nubi di cenere relativamente basso. Alcuni dei più potenti esplosioni prodotto alti pennacchi di altezza di oltre 1 km. (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau 2007: principalmente cenere - pennacchi di cenere di sfiato e potente cenere (22 imagine)

Eruzione Anak Krakatau 2007 - le foto di spedizione (Photo: Tom Pfeiffer)

Eruzione Anak Krakatau 2007 - le foto di spedizione (44 imagine)

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