A GIANT LANDSLIDE-EXPLOSION CIRQUE AND A DEBRIS AVALANCHE AT BAKENING VOLCANO, KAMCHATKA
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dc.contributor.author | Melekestsev I.V. | |
dc.contributor.author | Dirksen O.V. | |
dc.contributor.author | Girina O.A. | |
dc.date.accessioned | 2021-01-13T07:46:23Z | |
dc.date.available | 2021-01-13T07:46:23Z | |
dc.date.issued | 1999 | |
dc.identifier | https://elibrary.ru/item.asp?id=20939889 | |
dc.identifier.citation | Volcanology & Seismology, 1999, , 3, 265-279 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/22912 | |
dc.description.abstract | This study revealed that the giant cirque of Bakening Volcano had been produced by its eruption ca. 8000-8500 carbon-14 year ago. The eruption is supposed to have been heralded by a large earthquake (M > 7) resulting in the collapse and slide of the SE sector of the cone. The landslide unroofed the hydrothermal system and triggered an explosion which was followed by an ash-and-block pyroclastic flow. A rockslide avalanche rolled down into the valley of the Srednyaya Avacha River and travelled as far as 10-11 km along it. The avalanche deposited its debris material over an area of 18-20 km2 measuring 0.4-0.5 km3 in volume. These deposits dammed the river, produced two lakes (Bezymyannoe and Verkhneavacha), and gave birth to a large lahar which traveled along the valley much farther. | |
dc.title | A GIANT LANDSLIDE-EXPLOSION CIRQUE AND A DEBRIS AVALANCHE AT BAKENING VOLCANO, KAMCHATKA | |
dc.type | Статья |
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