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Freitag, Nov 21, 2008
On 17 November the alert level for Akan volcano was rised to level 3. There have been recorded tremors and a cloud that was the result of an ash eruption that covered the crater rim with black ash. Also ballsitic lithics were deposed around the crater.
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Donnerstag, Okt 23, 2008
On 17 October, JMA lowered the Alert level for Me-Akan (also called ...
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Akan Vulkancaldera 1499 m / 4,918 ft
Hokkaido, Japan, 43.38°N / 144.01°E Aktueller Status: nicht aktiv (1 von 5)
Typische Aktivität: Explosiv
Ausbrüche des Akan: 2008, 2006, 1988, 1966, 1965, 1964, 1962, 1960, 1959, 1958, 1957, 1956, 1955, 1954, 1951(?)-52, 1927 (?), 1808 (?), 1800 Akan Vulkan Fotos Letzte Erdbeben in der Nähe:
Beschreibung:The Akan caldera is located immediately SW of Kutcharo caldera and has an elonogated, irregular shape due to several caldera-forming explosive eruptions between the early and mid Pleistocene.Growth of 3 post-caldera stratovolcanoes, 3 at the SW end of the caldera and the other at the NE side, has reduced the size of the caldera lake. The conical O-Akan volcano was frequently active during the Holocene. The 1-km-wide Nakamachineshiri crater of Me-Akan volcano was formed during a major pumice-and-scoria eruption about 13,500 years ago. Akan Fotos:
2008 eruption
Tremor was recorded on 17 November 2008. A small ash eruption occurred on 18 November, and was later detected by a fresh deposit of ash on snow in up to 400 m distance from the Ponmachineshiri crater. Another ash eruption occurred on 28 November, producing a small ash plume reaching 2 km altitude. (Source: Smithsonian / GVP monthly reports) 2006 eruption
A small eruption occurred from a vent on the NE flank of Meakan on 21 March 2006. Ashfall was observed 10 km SE of the volcano. 1998 eruption
A small ash eruption occurred from Meakan volcano on 9 November 1998. 1996 eruption
A small phreatic eruption occurred on 21 November 1996. |
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