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Actualités
Tuesday, Sep 22, 2020
Pavlof volcano from satellite on 18 September (image: Sentinel 2)
The Alaska Volcano Observatory (AVO) reported that seismic activity at the volcano has increased over the past 24 hours. The seismic activity is characterized by continuous tremor. ... lire toutes
Tuesday, Sep 15, 2020
Katmai volcano on 11 September (image: AVO)
The Alaska Volcano Observatory (AVO) reported that strong southerly winds in the vicinity of Katmai and the Valley of Ten Thousand Smokes have picked up loose volcanic ash erupted during the 1912 Novarupta-Katmai eruption and carried it to the north today. The resuspended ash cloud was observed by a local pilot flying in the vicinity of Brooks Camp and Naknek Lake on the Alaska Peninsula at 18:25 local time and is ongoing. The resuspended ash cloud height is unknown but the National Weather Service suggests that it could reached up to 4,000 ft (1,219 m) altitude. ... lire toutes
 
Aniakchak
(Caldera)
[informations]
Black Peak
(Stratovolcano)
[informations]
Blue Mountain
(Lava dome(s))
[informations]
Chiginagak
(Stratovolcano)
[informations]
Dana
(Stratovolcano)
[informations]
Denison
(Stratovolcano)
[informations]
Devils Desk
(Stratovolcano)
[informations]
Douglas
(Stratovolcano)
Glacier-covered, dissected Mount Douglas stratovolcano is located at the northern end of the Alaska Peninsula south of Kamishak Bay. The volcano, the NE-most in Katmai National Park, contains a small, ice-free summit crater lake and an active fumarole field. [informations]
Dutton
(Stratovolcano)
[informations]
Emmons Lake
(Caldera)
[informations]
Fourpeaked
(Stratovolcano)
[informations]
Frosty
(Stratovolcanoes)
[informations]
Gertrude Creek
(Pyroclastic cone)
[informations]
Griggs
(Stratovolcano)
[informations]
Kaguyak
(Lava domes)
[informations]
Katmai
(Stratovolcano with central caldera)
Un grand volcan en Alaska, près de la cheminée de Novarupta, qui a éclaté en 1912 avec la plus grande éruption volcanique du XXe siècle, 10 fois la taille de l'éruption du Mont Saint Helens en 1980. [informations]
Kialagvik
(Stratovolcano)
[informations]
Kukak
(Stratovolcano)
[informations]
Kupreanof
(Stratovolcano)
[informations]
Mageik
(Stratovolcano)
[informations]
Martin
(Stratovolcano)
[informations]
Novarupta
(Caldera)
[informations]
Pavlof
(Stratovolcano)
Pavlov is the most active volcano of the Aleutian arc. [informations]
Pavlof Sister
(Stratovolcano)
[informations]
Savonovski River Cluster
(Stratovolcano(es))
[informations]
Snowy Mountain
(Stratovolcanoes)
[informations]
Steller
(Stratovolcano)
[informations]
Stepovak Bay 1
(Stratovolcano)
[informations]
Stepovak Bay 2
(Cinder cone)
[informations]
Stepovak Bay 3
(Cinder cone)
[informations]
Stepovak Bay 4
(Stratovolcano)
[informations]
Trader Mountain
(Stratovolcano)
[informations]
Trident
(Stratovolcano)
[informations]
Ugashik-Peulik
(Stratovolcano)
[informations]
Ukinrek Maars
(Maars)
[informations]
Unnamed 57.87°N/155.42°W
(Lava dome)
[informations]
Veniaminof
(Stratovolcano)
ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) satellite image showing a steam plume emitting from the active intracaldera cone at Veniaminof Volcano on March 4, 2008 at 12:57 PM AKS (image processed by AVO/USGS, Image data courtesy of NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team)
Veniaminof is one of the highest, largest and most active volcanoes on the Alaska Peninsula. [informations]
Yantarni
(Stratovolcano)
[informations]
 

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