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Автор Ida, Yoshiaki
Дата выпуска 1996
dc.description Magma effusion and tremor sometimes occur in quite regular intervals with periodic pressure changes, as observed in volcanic eruptions at Kilauea Volcano, lava dome growth at Unzen Volcano, and tremor episodes at Izu‐Oshima Volcano. These events have more or less asymmetric pressure change of quasi‐sinusoidal to saw‐toothed shape with longer time elapsing in build‐up of the fluid pressure than in its relaxation. Such cyclic fluid effusion can be explained systematically by a simple model in which fluid is supplied at a constant rate, accumulates in an elastic chamber, and flows out in a cylindrical vent that may widen or narrow due to viscous deformation of the surrounding country rock.
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Копирайт Copyright 1996 by the American Geophysical Union.
Тема Volcanology
Тема Volcanology: Eruption mechanisms
Тема Volcanology: Eruption monitoring
Тема Volcanology: Magma migration
Тема Volcanology: Physics and chemistry of magma bodies
Название Cyclic fluid effusion accompanied by pressure change: Implication for volcanic eruptions and tremor
Тип article
DOI 10.1029/96GL01325
Electronic ISSN 1944-8007
Print ISSN 0094-8276
Журнал Geophysical Research Letters
Том 23
Первая страница 1457
Последняя страница 1460
Аффилиация Ida, Yoshiaki; Earthquake Research Institute, University of Tokyo, Japan
Выпуск 12
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