Earthquake Triggering
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Earthquake Triggering
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Author : Nazli Moez Nomanbhoy
language : en
Publisher:
Release Date : 1998
Earthquake Triggering written by Nazli Moez Nomanbhoy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Dynamics Of Seismicity Patterns And Earthquake Triggering
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Author : G. Zöller
language : en
Publisher:
Release Date : 2006
Dynamics Of Seismicity Patterns And Earthquake Triggering written by G. Zöller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Synchronization And Triggering From Fracture To Earthquake Processes
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Author : Valerio de Rubeis
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-11-11
Synchronization And Triggering From Fracture To Earthquake Processes written by Valerio de Rubeis and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-11 with Science categories.
Processes of synchronization and interaction play a very special role in different physical problems concerning the dynamics of the Earth’s interior; they are of particular importance in the study of seismic phenomena, and their complexity is strongly affected by the variety of geological structures and inhomogeneities of the medium that hamper the course of these processes and their intensity. The attempt to tackle these problems is a great challenge from experimental, observational and theoretical point of view. We present in this Monograph the theoretical and experimental results achieved in the frame of the European Project “Triggering and synchronization of seismic/ acoustic events by weak external forcing as a sign of approaching the critical point” (INTAS Ref. Nr 05-1000008-7889); in this Project, which was inspired by Professor Tamaz Chelidze, our aim was to give grounds for better understanding and interpretation of dynamical interactive processes of physical ?elds, both found in the laboratory experiments as well as in ?eld observations. One of the leading problems – related to synchronization and interaction of different physical ?elds in fracture processes concerns triggering and initiation of rupture and displa- ments within the Earth interior. From this point of view, the results from laboratory studies on synchronization and interaction and those found and involved in ?eld observations, helped to improve the theoretical background. Reversely, some of the presented new theoretical approaches have served to stimulate laboratory and ?eld studies.
Earthquake Triggering And Interaction
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Author : Sebastian Hainzl
language : en
Publisher:
Release Date : 2009
Earthquake Triggering And Interaction written by Sebastian Hainzl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Earthquake faults interact with each other in many different ways and hence earthquakes cannot be treated as individual independent events. Although earthquake interactions generally lead to a complex evolution of the crustal stress field, it does not necessarily mean that the earthquake occurrence becomes random and completely unpredictable. In particular, the interplay between earthquakes can rather explain the occurrence of pronounced characteristics such as periods of accelerated and depressed seismicity (seismic quiescence) as well as spatiotemporal earthquake clustering (swarms and aftershock sequences). Ignoring the time-dependence of the process by looking at time-averaged values as largely done in standard procedures of seismic hazard assessment can thus lead to erroneous estimations not only of the activity level of future earthquakes but also of their spatial distribution. Therefore, it exists an urgent need for applicable time-dependent models. In my work, I aimed at better understanding and characterization of the earthquake interactions in order to improve seismic hazard estimations. For this purpose, I studied seismicity patterns on spatial scales ranging from hydraulic fracture experiments (meter to kilometer) to fault system size (hundreds of kilometers), while the temporal scale of interest varied from the immediate aftershock activity (minutes to months) to seismic cycles (tens to thousands of years). My studies revealed a number of new characteristics of fluid-induced and stress-triggered earthquake clustering as well as precursory phenomena in earthquake cycles. Data analysis of earthquake and deformation data were accompanied by statistical and physics-based model simulations which allow a better understanding of the role of structural heterogeneities, stress changes, afterslip and fluid flow. Finally, new strategies and methods have been developed and tested which help to improve seismic hazard estimations by taking the time-dependence of the earthquake process appropriately into account.
Earthquake Triggering By Earthquakes And Nuclear Explosions At Rates Of Less Than 1 Day
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Author : Willard James Hannon
language : en
Publisher:
Release Date : 1976
Earthquake Triggering By Earthquakes And Nuclear Explosions At Rates Of Less Than 1 Day written by Willard James Hannon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Earthquakes categories.
Earthquake Triggering And The Solid Earth Tides
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Author : Evan Robert Morris
language : en
Publisher: 1978.
Release Date : 1978
Earthquake Triggering And The Solid Earth Tides written by Evan Robert Morris and has been published by 1978. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Earth tides categories.
Stress Transfer Earthquake Triggering And Time Dependent Seismic Hazard
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Author : Richard Arculus
language : en
Publisher:
Release Date : 2005
Stress Transfer Earthquake Triggering And Time Dependent Seismic Hazard written by Richard Arculus and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Stress Evolution And Earthquake Triggering In Southern California
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Author : Jishu Deng
language : en
Publisher:
Release Date : 1997
Stress Evolution And Earthquake Triggering In Southern California written by Jishu Deng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Earthquake hazard analysis categories.
Acoustically Induced Slip In Sheared Granular Layers
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Author :
language : en
Publisher:
Release Date : 2015
Acoustically Induced Slip In Sheared Granular Layers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
A fundamental mystery in earthquake physics is "how can an earthquake be triggered by distant seismic sources?" We use discrete element method simulations of a granular layer, during stick slip, that is subject to transient vibrational excitation to gain further insight into the physics of dynamic earthquake triggering. We also observe delayed triggering of slip in the granular gouge, using Coulomb friction law for grains interaction. We find that at a critical vibrational amplitude (strain) there is an abrupt transition from negligible time-advanced slip (clock advance) to full clock advance; i.e., transient vibration and triggered slip are simultaneous. Moreover, the critical strain is of order 10-6, similar to observations in the laboratory and in Earth. The transition is related to frictional weakening of the granular layer due to a dramatic decrease in coordination number and the weakening of the contact force network. Associated with this frictional weakening is a pronounced decrease in the elastic modulus of the layer. The study has important implications for mechanisms of triggered earthquakes and induced seismic events and points out the underlying processes in response of the fault gouge to dynamic transient stresses.
The Mechanics Of Earthquakes And Faulting
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Author : Christopher H. Scholz
language : en
Publisher: Cambridge University Press
Release Date : 2002-05-02
The Mechanics Of Earthquakes And Faulting written by Christopher H. Scholz and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-05-02 with Science categories.
Our understanding of earthquakes and faulting processes has developed significantly since publication of the successful first edition of this book in 1990. This revised edition, first published in 2002, was therefore thoroughly up-dated whilst maintaining and developing the two major themes of the first edition. The first of these themes is the connection between fault and earthquake mechanics, including fault scaling laws, the nature of fault populations, and how these result from the processes of fault growth and interaction. The second major theme is the central role of the rate-state friction laws in earthquake mechanics, which provide a unifying framework within which a wide range of faulting phenomena can be interpreted. With the inclusion of two chapters explaining brittle fracture and rock friction from first principles, this book is written at a level which will appeal to graduate students and research scientists in the fields of seismology, physics, geology, geodesy and rock mechanics.