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Départs garantis:
23 févr. - 1 mars 2020: Volcanoes of the Danakil desert - Danakil desert (Ethiopia)
14-27 mars 2020: Désert, sels et volcans - Désert de Danakil (Éthiopie)
21-28 mars 2020: Land of Theseus - Saronic Gulf (Greece)
28 mars - 4 avril 2020: Land of Theseus - Saronic Gulf (Greece)
11-19 avril 2020: Montagnes de Feu - du Stromboli à l'Etna - Eoliennes + Etna
4-8 mai 2020: Spécial Volcan Krakatau - Le Krakatau, détroit de la Sonde
9-17 mai 2020: Montagnes de Feu - du Stromboli à l'Etna - Eoliennes + Etna
1-8 juin 2020: Le Grand Lac de Lave du Nyiragongo - République Démocratique du Congo et Rwanda
2-18 juil. 2020: Les volcans actifs de Java - Java (Indonésie)
11-29 août 2020: Kamchatka - Land of Colors - Kamchatka (Russia)
: Places libres / : Départ garanti / : Quelques places disponibles / : Groupe fermé
Diaporama
Actualités
Seismic signal from Semisopochnoi volcano as recorded on Adak Island (image: AVO)
jeudi, févr. 20, 2020
The Alaska Volcano Observatory (AVO) reported that the seismic unrest continues at the volcano with intermittent, low-level tremor. Tremor bursts lasting from three to twelve minutes every few hours. ... [details]
dimanche, févr. 16, 2020
The Alaskan Volcano Observatory (AVO) raised the Aviation Colour Code and Alert Level for Semisopochnoi to ORANGE/WATCH due to a significant increase in seismic activity as well as small explosions and tremor bursts, lasting from three to twelve minutes every few hours. No ash plumes have been observed. [details]
 

Volcans en Îles Aléoutiennes (41 volcans)

Adagdak |Akutan |Amak |Amukta |Atka |Bobrof |Bogoslof |Buldir |Carlisle |Chagulak |Cleveland |Davidof |Fisher |Gareloi |Great Sitkin |Herbert |Isanotski |Kagamil |Kanaga |Kasatochi |Kiska |Koniuji |Korovin |Little Sitkin |Makushin |Moffett |Okmok |Recheschnoi |Roundtop |Seguam |Segula |Semisopochnoi |Sergief |Shishaldin |Takawangha |Tana |Tanaga |Uliaga |Vsevidof |Westdahl |Yunaska
Adagdak
(Stratovolcano)
[informations]

Akutan
(Stratovolcano)
Akutan volcano is one of the most active stratovolcanoes of the Aleutian arc. The volcano has a 2-km-wide caldera with an active intracaldera cone. [informations]

Amak
(Stratovolcano)
[informations]

Amukta
(Stratovolcano)
[informations]

Atka
(Stratovolcanoes)
[informations]

Bobrof
(Stratovolcano)
[informations]

Bogoslof
(Submarine volcano)
Bogoslof Island in Alaska with the eroded remnants of Castle Rock lava dome from the 1796 eruption (image: Ann Harding/AVO USGS) [informations]

Buldir
(Stratovolcano)
[informations]

Carlisle
(Stratovolcano)
[informations]

Chagulak
(Stratovolcano)
[informations]

Cleveland
(Stratovolcano)
The beautifully symmetrical Mount Cleveland stratovolcano forms the western half of the uninhabited Chuginadak Island in the eastern Aleutians, connected to the eastern half of the island by a narrow isthmus. It is one of the regions most active volcanoes, but at present has no s... [informations]

Davidof
(Stratovolcano)
[informations]

Fisher
(Stratovolcano)
[informations]

Gareloi
(Stratovolcano)
[informations]

Great Sitkin
(Stratovolcano)
[informations]

Herbert
(Stratovolcano)
[informations]

Isanotski
(Stratovolcano)
[informations]

Kagamil
(Stratovolcano)
[informations]

Kanaga
(stratovolcan)
Kanaga Volcano Viewed from the west with Mt Moffet, Adak and Great Sitkin in the background (image taken May 8, 2010 by Cyrus Read, AVO/USGS)Kanaga volcan est un stratovolcan symétrique s'élevant à 1300 m dans la partie nord de l'Île Kanaga dans les îles Aléoutiennes occidentales, de l'Alaska. Il est un des volcans plus au sud de la chaîne aléoutienne centrale.
Le volcan a un petit 200 m de large et 60 m sommet cir... [informations]

Kasatochi
(Stratovolcano)
Kasatochi est une île isolée, formant le sommet d'un stratovolcan principalement submergé s'élevant à 314 m d'altitude dans l'archipel des îles Aléoutiennes. Il est un des volcans du monde qui ont formé de nouvelles îles à l'époque historique. [informations]

Kiska
(Stratovolcano)
[informations]

Koniuji
(Stratovolcano)
[informations]

Korovin
(Stratovolcano)
Korovine est un stratovolcan 1533 m de hauteur dans les îles Aléoutiennes centrales et l'un des volcans plus actifs en Alaska. En moyenne, il a été actif tous les 10-15 ans, sa dernière éruption en novembre-décembre 2006 avec les émissions de cendres. [informations]

Little Sitkin
(stratovolcan)
Little Sitkin volcano forms a small island of the same name in the western Aleutians Islands and belongs to the Aleutian Island National Wildlife Refuge. The active stratovolcano rises 1188 m (3898 ft) in the center-northeastern part of the island. The island is located 330 km (2... [informations]

Makushin
(Stratovolcano)
Makushin volcano is an ice-covered 1800-m-high stratovolcano on northern Unalaska Island west of the town of Dutch Harbor. The volcano contains a 2.5-km-wide caldera. Its broad, domical shape contrasts with the usual steep-sided profile of most other volcanoes in the Aleutians. [informations]

Moffett
(Stratovolcano)
[informations]

Okmok
(Central shield complex with nested caldera)
Okmok is one of the most active volcanoes in the Aleutian island chain (Alaska). It consists of a complex of shields truncated by a caldera and several active vents inside the caldera, which have built small cones and lava flows. [informations]

Recheschnoi
(Stratovolcano)
[informations]

Roundtop
(Stratovolcano)
[informations]

Seguam
(Stratovolcanoes)
[informations]

Segula
(Stratovolcano)
[informations]

Semisopochnoi
(Stratovolcano)
[informations]

Sergief
(Stratovolcano)
[informations]

Shishaldin
(Stratovolcano)
[informations]

Takawangha
(Stratovolcano)
[informations]

Tana
(Stratovolcanoes)
[informations]

Tanaga
(Stratovolcanoes)
Tanaga volcano is the second largest volcano of the central Aleutians. It is the central and highest of 3 young stratovolcanoes oriented along a roughly E-W line at the NW tip of Tanaga Island. [informations]

Uliaga
(Stratovolcano)
[informations]

Vsevidof
(Stratovolcano)
[informations]

Westdahl
(Stratovolcano?)
[informations]

Yunaska
(Shield volcano)
[informations]
 

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