Thesis (M.S.) University of Alaska Fairbanks, 2000
Table of Contents
1. Introduction -- 2. Background -- 3. Volcanology of the eruptions -- 3.1. Summary of volcanological aspects of the eruptions -- 4. Instrumentation and data used in this study -- 4.1. Description of seismicity at Redoubt Volcano during December 1989 -- December 1990 -- 4.2. Description of seismicity recorded during the deployment in July 1991 -- 5. Fault plane solutions at Redoubt -- 5.1. Fault plane solutions from December 1989 to December 1990 -- 5.2. Fault plane solutions from July 1991 -- 6. Stress tensor inversion -- 6.1. The cumulative misfit method -- 6.2. Stress inversions at Redoubt Volcano 1989-1990 -- 6.2.1. Stress near Redoubt as a function of time -- 6.3. Stress inversions July 1991 -- 6.3.1. Stress near Redoubt as a function of space -- 6.4. Summary of results -- 7. Discussion -- 7.1. Changes in stress with time at Redoubt Volcano -- 7.2. Changes of stress as a function of space at Redoubt Volcano -- 7.3. Rotation of stress axes at Redoubt and estimation of absolute levels of stress -- 7.4. Deviation of stresses at Redoubt from the expected Regional field resulting from plate collision -- Conclusions -- Suggestions for future research -- References -- Appendix.
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