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There have been at least 26 confirmed eruptions at Shishaldin Volcano since 1824. Most are small, but the observatory said a 1999 eruption produced an ash cloud that reached 8.5 miles (14 kilometers).
Kanaga Volcano, or Mount Kanaga, is a stratovolcano at the northern tip of Kanaga Island in the Aleutian Islands, Alaska. [1] It is situated within a caldera, which forms the arcuate Kanaton Ridge south and east of Kanaga. A crater lake occupies part of the SE caldera floor. The summit of Kanaga has a crater with fumarolic activity.
An eruption on 16 March injured 10 people, including a BBC News television crew, after magma exploded upon contact with snow. [97] [98] 3 Mount Ontake [99] Japan 2014 63 A phreatic eruption and pyroclastic flow occurred without warning, killing 63 people. Deadliest eruption in Japan since 1902, first volcano-related deaths in Japan since 1991. 2
The volcano has received more focused attention in recent times due to its increased activity: it erupted in 2001, 2005, three times in 2006, 2007, three times in 2009, and twice in 2010. Of these, the most significant eruption was the 2001 eruption, which produced a 12 km (7 mi) high ash plume.
Map showing volcanoes of Alaska Peninsula. Katmai caldera before and after surveys of 1908 and 1951. Mount Katmai is one of five vents encircling the Novarupta volcano, source of the VEI 6 eruption and associated voluminous pyroclastic flows in 1912. Katmai consists chiefly of lava flows, pyroclastic rocks, and non-welded to agglutinated air fall.
Then, they found a new volcano-like formation deep in the ocean waters. The new volcano-like structure sits more than 1,600 meters from the water's surface. So, it's far too deep to pose a danger ...
Shishaldin Volcano, or Mount Shishaldin (/ ʃ ɪ ˈ ʃ æ l d ən /), is one of six active volcanoes on Unimak Island in the eastern Aleutian Islands of Alaska. [1] It is the highest mountain peak of the Aleutian Islands, rising to a height of 9,373 ft (2,857 m) above sea level.
The signs of volcanic activity are still visible on nearby hills. Katmai's most recent eruption was in 1927, but there have been non-eruptive events as recently as 2003. The Alaska Volcano Observatory still monitors Katmai's activity as part of the Katmai Cluster, where there are five active stratovolcanos within 15 kilometers (9 mi) of Katmai.