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Book Regional Fault Mechanics Following the 1992 Landers Earthquake

Download or read book Regional Fault Mechanics Following the 1992 Landers Earthquake written by Timothy L. Masterlark and published by . This book was released on 2000 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Mechanics of Earthquakes and Faulting

Download or read book The Mechanics of Earthquakes and Faulting written by Christopher H. Scholz and published by Cambridge University Press. This book was released on 2019-01-03 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: A major update of this classic reference text on earthquakes and faulting with a wealth of new topics and observations.

Book Mechanics Structure and Evolution of Fault Zones

Download or read book Mechanics Structure and Evolution of Fault Zones written by Yehuda Ben-Zion and published by Springer Science & Business Media. This book was released on 2009-12-30 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considerable progress has been made recently in quantifying geometrical and physical properties of fault surfaces and adjacent fractured and granulated damage zones in active faulting environments. There has also been significant progress in developing rheologies and computational frameworks that can model the dynamics of fault zone processes. This volume provides state-of-the-art theoretical and observational results on the mechanics, structure and evolution of fault zones. Subjects discussed include damage rheologies, development of instabilities, fracture and friction, dynamic rupture experiments, and analyses of earthquake and fault zone data.

Book Living on an Active Earth

    Living on an Active Earth

    Book Details:
  • Author : National Research Council
  • Publisher : National Academies Press
  • Release : 2003-09-22
  • ISBN : 0309065623
  • Pages : 431 pages

Download or read book Living on an Active Earth written by National Research Council and published by National Academies Press. This book was released on 2003-09-22 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: The destructive force of earthquakes has stimulated human inquiry since ancient times, yet the scientific study of earthquakes is a surprisingly recent endeavor. Instrumental recordings of earthquakes were not made until the second half of the 19th century, and the primary mechanism for generating seismic waves was not identified until the beginning of the 20th century. From this recent start, a range of laboratory, field, and theoretical investigations have developed into a vigorous new discipline: the science of earthquakes. As a basic science, it provides a comprehensive understanding of earthquake behavior and related phenomena in the Earth and other terrestrial planets. As an applied science, it provides a knowledge base of great practical value for a global society whose infrastructure is built on the Earth's active crust. This book describes the growth and origins of earthquake science and identifies research and data collection efforts that will strengthen the scientific and social contributions of this exciting new discipline.

Book Seismogenesis and Earthquake Forecasting The Frank Evison Volume II

Download or read book Seismogenesis and Earthquake Forecasting The Frank Evison Volume II written by Martha Savage and published by Springer Science & Business Media. This book was released on 2011-06-29 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This special issue of Pure and Applied Geophysics is the second of two volumes containing an augmented collection of papers originating from the Evison Symposium on Seismogenesis and Earthquake Forecasting held in Wellington, New Zealand, in February 2008. The volumes honor Frank Evison's interest in earthquake generation and forecasting. This volume includes descriptions of earthquake forecasting test centers through the Collaboratory for the Study of Earthquake Predictability (CSEP) program and the first results from the Regional Earthquake Likelihood Model (RELM) experiment in California. Other papers discuss methods of testing predictions, in particular by the use of error diagrams. There is discussion of prediction methodologies using seismicity, including an application of the statistical technique of Hidden Markov Models to identify changes in seismicity and a new technique for identifying precursory quiescence. Several papers employ other data besides seismicity, such as geologically determined faults, calculations of stress changes via Coulomb stress modeling, tomographically determined velocity structure, groundwater, crustal deformation, and comparisons of real earthquakes to synthetic seismicity determined from hypothesized earthquake physics. One paper focuses on the prediction of human casualties in the event that a large earthquake occurs anywhere on the globe. The volume will be useful to students and professional researchers who are interested in the earthquake preparation process and in converting that understanding into forecasts of earthquake occurrence.

Book Treatise on Geophysics

Download or read book Treatise on Geophysics written by and published by Elsevier. This book was released on 2015-04-17 with total page 5604 pages. Available in PDF, EPUB and Kindle. Book excerpt: Treatise on Geophysics, Second Edition, is a comprehensive and in-depth study of the physics of the Earth beyond what any geophysics text has provided previously. Thoroughly revised and updated, it provides fundamental and state-of-the-art discussion of all aspects of geophysics. A highlight of the second edition is a new volume on Near Surface Geophysics that discusses the role of geophysics in the exploitation and conservation of natural resources and the assessment of degradation of natural systems by pollution. Additional features include new material in the Planets and Moon, Mantle Dynamics, Core Dynamics, Crustal and Lithosphere Dynamics, Evolution of the Earth, and Geodesy volumes. New material is also presented on the uses of Earth gravity measurements. This title is essential for professionals, researchers, professors, and advanced undergraduate and graduate students in the fields of Geophysics and Earth system science. Comprehensive and detailed coverage of all aspects of geophysics Fundamental and state-of-the-art discussions of all research topics Integration of topics into a coherent whole

Book Acoustic Emission and Critical Phenomena

Download or read book Acoustic Emission and Critical Phenomena written by Alberto Carpinteri and published by CRC Press. This book was released on 2008-07-22 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Acoustic Emission (AE) technique uses ad hoc transducers to detect AE events caused by crack growth in structures under external loading. This technique is similar to the one employed in earthquake control, where seismic waves reach the monitoring stations placed on the surface of the Earth. And although they take place on different scales, the

Book Landers

Download or read book Landers written by and published by . This book was released on 1993 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Dissertation Abstracts International

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2001 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Landers and Big Bear Earthquakes of June 28 29 1992

Download or read book Landers and Big Bear Earthquakes of June 28 29 1992 written by and published by . This book was released on 1992 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Geometry and Mechanics of Three dimensional Faults

Download or read book Geometry and Mechanics of Three dimensional Faults written by Joern Ole Kaven and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The geometry of faults and fault systems affects the source mechanics of earthquakes and the deformation associated with slip on faults. This dissertation investigates aspects of the geometry of fault surfaces, in particular those with non-planar topology. I quantify the surface geometry using the tools of differential geometry to evaluate the geometry in a spatially coherent way. The study finds that at cm-scale ([approximately equal to]2cm) fault surfaces have no clear pattern of basic shapes succession, while at larger scales (10cm-50cm) corrugations along the slip direction are predominant while small undulations parallel to the direction of sliding exist on the cm-scale. The changes in surface shape and orientation lead to changes in resolved traction on the order of a few MPa for crustal settings, which far exceed generally associated triggering stresses. The undulations significantly retard slip on heuristic faults when compared to those lacking undulations. Geometric fault surface complexity on a crustal scale faults is investigated using relocated seismicity from a catalog of events for the Joshua Tree - Landers earthquake sequence. The spatial density of seismicity is used to locate finite width fault zones and construct surfaces indicative of the centers of these fault zones. The method identifies ten separate faults that exhibit significant non-planar geometry. The mechanical effects of the geometrically complex fault surfaces are illustrated using solutions to the quasi-static boundary value problem. I investigate the resultant stresses and tractions induced by slip on the Joshua Tree fault before the rupture of the Landers earthquake. The propensity for slip on the Landers faults is increased in regions of initiation and largest slip during the subsequent event. The geometrically complex models predict greater propensity for slip along the northern faults involved in the Landers earthquake than the commonly used planar and vertical four-fault models. The stresses adjacent to the Joshua Tree fault are investigated by calculating the changes in Coulomb stresses on optimally oriented surfaces of weakness. The geometrically complex model for Joshua Tree fault predicts the aftershocks immediately following the Joshua Tree earthquake quite well, and better than the planar fault model. Stress inversions are a useful and popular tool for structural geologist and seismologist alike. Many studies employ these methods on isolated faults or on fault system with limited ranges of orientations, which can lead to erroneous results. I propose a new method that incorporates the effects of mechanical interaction of the entire fault or fault system, solves the complete mechanical boundary value problem problem rather than employing empirical relationships between slip and stress or strain (faultless inversion). The method is tested on synthetic faults with various orientations to evaluate the effects of non-planarity and I find that the lack of varying normal vector orientations can introduce significant errors even for simple idealized cases. The effect of diversity of fault orientations are tested and the results indicate that faultless inversions do not perform as well for limited ranges of orientations when compared to the proposed method. The 1999 Chi-Chi, Taiwan, earthquake is used to test the proposed method. The resulting stress orientations are in good agreement with results from faultless inversions. Furthermore, slip distribution results are in general agreement with kinematic slip inversions using co-seismic surface deformation. Stress inversion methods using fault slip data can thus be improved upon, significantly in many cases, by solving a mechanical boundary value problem that takes into account the geometry of faults or fault systems.