ON A SEISMIC CRUSTAL MODEL FOR AVACHA VOLCANO, KAMCHATKA
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dc.contributor.author | Gontovaya L.I. | |
dc.contributor.author | Senyukov S.L. | |
dc.date.accessioned | 2021-02-01T00:56:15Z | |
dc.date.available | 2021-02-01T00:56:15Z | |
dc.date.issued | 2000 | |
dc.identifier | https://elibrary.ru/item.asp?id=20937766 | |
dc.identifier.citation | Volcanology & Seismology, 2000, 22, 3, 319-326 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/24246 | |
dc.description.abstract | Observations of seismic waves from explosions and earthquakes were used to develop a crustal seismic model beneath Avacha Volcano down to a 2̃0-km depth. Major discontinuities and compressional velocities were determined in the crustal layers. Structural differences were found between the upper and middle crust: steep interfaces and faults, dipping at lower angles further downward, and the variation of elastic and density anomalies. A magma chamber was located at a depth of 12-18 km, and the upper boundary of a peripheral chamber was delineated beneath the volcanic cone. Possible courses for magma migration are indicated. | |
dc.title | ON A SEISMIC CRUSTAL MODEL FOR AVACHA VOLCANO, KAMCHATKA | |
dc.type | Статья |
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