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Studies Of Aftershock Sequences Of Large Subduction Zone Earthquakes, Armick Ivanian
Studies Of Aftershock Sequences Of Large Subduction Zone Earthquakes, Armick Ivanian
Electronic Thesis and Dissertation Repository
Amongst the different types of earthquakes, it is observed that the mega-thrust earthquakes, which occur in subduction zones, are the most devastating. The aftershock sequences following the mega-thrust earthquakes can also increase the level of seismic hazard, even in remote areas away from the mainshock fault zone. This thesis examines the statistical parameters of aftershock sequences of large subduction zone earthquakes that have occurred in the western and eastern Pacific Ocean. These parameters are vital for seismic hazard assessment of regions located near subduction zones. The results show that, on average, the Gutenberg-Richter exponent—the b-value—is markedly higher in the …