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Krakatau volcan

Caldera 813 m (2,667 ft.) / Anak Krakatau: 189 m
Sunda Strait, Indonesia, -6.1°S / 105.42°E
Condition actuelle: en vigilance - niveau agité (2 sur 5)
Krakatau webcams / données en temps réel | Reports
Krakatau volcano videos
Krakatau livres | Tours
Last update: 17 Apr 2020 (Volcanic Ash Advisory)
Style éruptif tipique: Explosive. Construction of a cinder cone  island (Anak Krakatau) inside the caldera formed by the 1883 eruption. Frequent strombolian activity.
Eruptions du volcan Krakatau: 1530, 1680-81, 1684, 1883 (Plinian eruption), 1927-30, 1931-32, 1932-34, 1935, 1936, 1937, 1938-40, 1941, 1942, 1943, 1944, 1945, 1946, 1946-47, 1949, 1950, 1952, 1953, 1955, 1958-59, 1959-63, 1965(?), 1969(?), 1972-73, 1975, 1978, 1979, 1980, 1981, 1988, 1992-93, 1994-95, 1996, 1997, 1999, 2000, 2001, 2007-8, April 2009-early 2010, Oct 2010 - March 2011, July-Oct 2011, Jan-May + Sep 2012, 2015(?), 2017, 2018 (22 Dec eruption & tsunami), 2019-ongoing Violent eruption of Krakatau showering the summit cone with incandescent bombs.
HeureMag. / DepthDistanceLocation
Mon, 14 Sep 2020 (UTC)
Mon, 14 Sep 20:15 UTCM 3.0 / 145 km10 kmSunda Strait, Indonesia
Wed, 8 Jul 2020 (UTC)
Wed, 8 Jul 14:54 UTCM 4.4 / 174 km27 kmSunda Strait, Indonesia
Fri, 3 Jul 2020 (UTC)
Fri, 3 Jul 20:54 UTCM 4.2 / 63 km28 kmSunda Strait, Indonesia
Fri, 3 Jul 20:54 UTCM 3.1 / 10 km28 kmSunda Strait, Indonesia
Fri, 3 Jul 06:12 UTCM 3.2 / 10 km29 kmSunda Strait, Indonesia
Voir tous
Krakatau, a small island group in the Sunda Strait between the islands of Sumatra and Java is one of the world's most famous volcanoes. It is a mostly submerged caldera with 3 outer islands belonging to the rim and a new cone, Anak Krakatau, that has been forming a new island since 1927 and remains highly active.
Krakatau exploded spectacularly in a devastating Plinian eruption 1883 that killed more than 30,000 people (mostly by the huge tsunamis triggered by the eruption). The eruption was one of the first global news events after telegraph lines had connected the different continents.

Introduction:

The renowned volcano Krakatau (or Krakatoa) lies in the Sunda Strait between Java and Sumatra. Collapse of the ancestral Krakatau edifice, perhaps in 416 AD, formed a 7-km-wide caldera. Remnants of this ancestral volcano are preserved in Verlaten and Lang Islands; subsequently Rakata, Danan and Perbuwatan volcanoes were formed, coalescing to create the pre-1883 Krakatau Island. Caldera collapse during the catastrophic 1883 eruption destroyed Danan and Perbuwatan volcanoes, and left only a remnant of Rakata volcano. This eruption, the 2nd largest in Indonesia during historical time, caused more than 36,000 fatalities, most as a result of devastating tsunamis that swept the adjacent coastlines of Sumatra and Java. Pyroclastic surges traveled 40 km across the Sunda Strait and reached the Sumatra coast. After a quiescence of less than a half century, the post-collapse cone of Anak Krakatau (Child of Krakatau) was constructed within the 1883 caldera at a point between the former cones of Danan and Perbuwatan. Anak Krakatau has been the site of frequent eruptions since 1927.
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Source: GVP, Smithsonian Institution

Krakatau Photos:

Zoom onto the expanding ejected plug of the explosion; only few of the blocks are actually glowing red. At night, this means that most blocks won't be visible! (Photo: Tom Pfeiffer)
Zoom onto the expanding ejected plug of the explosion; only few of the blocks are actually glowing red. At night, this means that most blocks won't be visible! (Photo: To...
Sea reflection of activity from Anak Krakatau volcano (Sunda Strait, Indonesia) on December 2nd, 2018. (Photo: V. Tricou)
Sea reflection of activity from Anak Krakatau volcano (Sunda Strait, Indonesia) on December 2nd, 2018. (Photo: V. Tricou)
A barrage of bombs hits the water, some quite far from the shore. (Photo: Iris Karinkanta)
A barrage of bombs hits the water, some quite far from the shore. (Photo: Iris Karinkanta)
 


Voyages au volcan Krakatau
Du Krakatau à Bali (16-jours d'étude à la découverte des volcans de Java, Indonésie)
Rêve Planétaire - Le Tour des Volcans du Monde (4 semaines de découvertes autour du Monde à Hawai'i - Vanuatu - Nouvelle Zélande - Indonésie)
Spécial Volcan Krakatau (expédition pour étudier et observer l'activité du volcan l'Anak Krakatau)

Derniers images satellite


See also: Sentinel hub | Landsat 8
NASA satellite image of the Sunda Strait, Indonesia
NASA satellite image of the Sunda Strait, Indonesia
NASA satellite image of the island group of Krakatau.
NASA satellite image of the island group of Krakatau.
Close-up of Anak Krakatau volcanic island, with its recent lava flows well visible.
Close-up of Anak Krakatau volcanic island, with its recent lava flows well visible.

Krakatoa - the world's most infamous volcano

The island group of Krakatoa (or Krakatau) lies in the Sunda Strait between Java and Sumatra.  Krakatoa is infamous for its violent Plinian eruption in 1883, that destroyed the previous volcanic edifice and enlarged its caldera.
Collapse of the former volcanic edifice, perhaps in 416 AD, had formed a 7-km-wide caldera.  Remnants of this ancestral volcano are preserved in Verlaten and Lang Islands; subsequently Rakata, Danan and Perbuwatan volcanoes were formed, coalescing to create the pre-1883 Krakatoa island.  Caldera collapse during the catastrophic 1883 eruption destroyed Danan and Perbuwatan volcanoes, and left only a remnant of Rakata volcano. 
This eruption, the 2nd largest in Indonesia during historical time (the most violent being the eruption of Tambora in 1815), caused more than 36,000 fatalities, most as a result of devastating tsunamis that swept the adjacent coastlines of Sumatra and Java.  Pyroclastic surges traveled 40 km across the Sunda Strait and reached the Sumatra coast.  After a quiescence of less than a half century, the post-collapse cone of Anak Krakatoa ("Child of Krakatoa") was constructed within the 1883 caldera at a point between the former cones of Danan and Perbuwatan.  Anak Krakatau has been the site of frequent eruptions since 1927.

(adapted from GVP)
Le Krakatau, détroit de la Sonde
Expédition au volcan actif de l'Anank Krakatau
expédition pour étudier et observer l'activité du volcan l'Anak Krakatau
5-8 Jours - Facile
sur demande
Départs sur commande possibles
when erupting
3 juin - 19 janv. 2021
26 juin - 1 juil. 2021
Depuis juillet 2011, le Krakatau est de nouveau en éruption.
Nous assistons à la reprise spectaculaire de l’activité éruptive de l’Anak Krakatau dans le détroit de la Sonde. Pour cette raison, nous vous offrons la chance de voir et de vivre en direct ce merveilleux spectacle volcanique! Une expédition spéciale éruption- Krakatau s’organise prochainement. C’est l’occasion ou jamais de partir avec l’un de nos volcanologues. Contactez-nous pour participer à l’une de nos expéditions, sur demande entre 1 et 10 personnes. plus d'infos

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