Репозиторий Института вулканологии и сейсмологии ДВО РАН
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Eartquakes, characteristics of the upper mantle under Kamchatka, and their connection with volcanism (according to data collected up to 1971)

Fedotov S.A., Tokarev P.I. (1973) Eartquakes, characteristics of the upper mantle under Kamchatka, and their connection with volcanism (according to data collected up to 1971) // Bulletin Volcanologique. Vol. 37. No. 2. pp. 245-257. doi: 10.1007/BF02597133.

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Официальный URL: http://link.springer.com/article/10.1007%2FBF02597...

Аннотация

This paper presents new data on the upper mantle characteristics, and on seismicity and volcanism in Kamchatka. It is shown that the seismic activity in the Pacific focal layer decreases sharply below that narrow line on which the foci of the active volcanoes are situated. A map of longitudinal wave velocitiesV p in the mantle upper layers under Kamchatka is given. The lowest values ofV p (7.3–7.6 km/sec) are found near the volcanic belt. The graphs Θ=lg (Es/Ep) (h) for the Kamchatka earthquakes indicate that Θmin at the depths of 120–250 km may be caused by a concentration of magmatic melts. A map of bodies (magma chambers?) screening S- and P-waves at the depths of 30–100 km under Kamchatka has been compiled. These bodies are mainly located under the belt of active volcanoes.
Тип объекта: Статья
Название: Eartquakes, characteristics of the upper mantle under Kamchatka, and their connection with volcanism (according to data collected up to 1971)
Язык: English
Издание: Bulletin Volcanologique
ISSN Print: 0366-483X
ISSN Online: 1432-0819
Разместивший пользователь: С.Э. Васильев
Дата размещения: 08 Окт 2014 03:02
Последнее изменение: 08 Окт 2014 03:02
URI: http://repo.kscnet.ru/id/eprint/1858

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