Subduction zone wave guides [Elektronische Ressource] : deciphering slab structure using intraslab seismicity at the Chile-Peru subduction zone / von Sebastian Martin

¨Universitat PotsdamInstitut fu¨r GeowissenschaftenDISSERTATIONSubduction zone wave guides:Deciphering slab structure usingintraslab seismicity at theChile-Peru subduction zonevonSebastian MartinBetreuerProf. Dr. F. ScherbaumDr. A. RietbrockJahr 2005ContentsZusammenfassung iiiSummary v1 Introduction 11.1 Note to the reader . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.2 The fate of subducting slabs . . . . . . . . . . . . . . . . . . . . . . . 21.3 Seismological methods at subduction zones . . . . . . . . . . . . . . . 31.4 Geoscientific setting of the Central Andes and data . . . . . . . . . . 51.5 The finite difference method . . . . . . . . . . . . . . . . . . . . . . . 102 Intraslab events causing guided waves in subducted oceanic crust 132.1 Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132.2 Guided waves propagating in subducted oceanic crust . . . . . . . . . 142.2.1 Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142.2.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152.2.3 Data and observations - distorted arrivals at the ANCORPstation AER . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182.2.4 Finite difference modeling of wave guide effects . . . . . . . . 202.2.5 Excitation of guided waves and dependencies on structuralparameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212.2.6 Conclusion . . . . . . . . . . . . . . . . . . .