Eartquakes, characteristics of the upper mantle under Kamchatka, and their connection with volcanism (according to data collected up to 1971)

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dc.contributor.author Fedotov S.A.
dc.contributor.author Tokarev P.I.
dc.date.accessioned 2019-08-30T06:25:50Z
dc.date.available 2019-08-30T06:25:50Z
dc.date.issued 1973
dc.identifier http://repo.kscnet.ru/1858/
dc.identifier http://link.springer.com/article/10.1007%2FBF02597133
dc.identifier 10.1007/BF02597133
dc.identifier.citation 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.
dc.identifier.uri https://repository.geologyscience.ru/handle/123456789/5015
dc.description.abstract 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.
dc.language.iso en
dc.publisher F. Giannini
dc.title Eartquakes, characteristics of the upper mantle under Kamchatka, and their connection with volcanism (according to data collected up to 1971)
dc.type Статья


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