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Timing And Rates Of Events In The Generic Volcanic Earthquake Swarm Model, Tianyu Rong
Timing And Rates Of Events In The Generic Volcanic Earthquake Swarm Model, Tianyu Rong
USF Tampa Graduate Theses and Dissertations
In this thesis I combine data from 29 volcanic earthquake swarms that follow the pattern predicted by the Generic Volcanic Earthquake Swarm Model (GVESM; Benoit and McNutt, 1996) to investigate whether the relative timing of various parameters of pre-eruptive volcanic earthquake swarms could be used to forecast the time of an impending eruption. Based on the analysis of seismic unrest preceding many eruptions, the GVESM suggests that it is common to see an increase first in high-frequency earthquakes, then low-frequency earthquakes, then the onset of volcanic tremor. While this pattern is useful to volcano-seismologists, the relative timing and durations of …