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Seismic Anisotropy in Volcanic Regions

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Encyclopedia of Earthquake Engineering

Synonyms

Seismic anisotropy/shear wave splitting at (active) volcanoes; Shear wave splitting in volcanic regions; Using seismic anisotropy/shear wave splitting to monitor (active) volcanoes; Using seismic anisotropy/shear wave splitting to track/monitor/detect volcanic/magmatic activity

Introduction

Modern geophysical techniques enable changes to be observed at some volcanoes before magmatic eruptions: detection of seismicity (see “Seismic Monitoring of Volcanoes”) from magma pushing through cold country rock is one of the most common and successful monitoring techniques and can lead to short-term forecasting (see “Volcanic Eruptions, Real-Time Forecasting of”). Another example of geophysical precursors to eruptions is surface deformation from inflation or deflation of a volcano due to magma movement. However, some volcanoes do not display these clues, and there remains a need for techniques that are sensitive to other physical attributes that might change in conjunction with the...

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Correspondence to Jessica H. Johnson .

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Johnson, J.H. (2013). Seismic Anisotropy in Volcanic Regions. In: Beer, M., Kougioumtzoglou, I., Patelli, E., Au, IK. (eds) Encyclopedia of Earthquake Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-36197-5_44-1

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  • DOI: https://doi.org/10.1007/978-3-642-36197-5_44-1

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