The Seismogenic Zone Of Subduction Thrust Faults
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The Seismogenic Zone of Subduction Thrust Faults
Author | : Timothy H. Dixon,J. Casey Moore |
Publsiher | : Columbia University Press |
Total Pages | : 696 |
Release | : 2007 |
Genre | : Computers |
ISBN | : 0231138660 |
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Subduction zones, one of the three types of plate boundaries, return Earth's surface to its deep interior. Because subduction zones are gently inclined at shallow depths and depress Earth's temperature gradient, they have the largest seismogenic area of any plate boundary. Consequently, subduction zones generate Earth's largest earthquakes and most destructive tsunamis. As tragically demonstrated by the Sumatra earthquake and tsunami of December 2004, these events often impact densely populated coastal areas and cause large numbers of fatalities. While scientists have a general understanding of the seismogenic zone, many critical details remain obscure. This volume attempts to answer such fundamental concerns as why some interplate subduction earthquakes are relatively modest in rupture length (greater than 100 km) while others, such as the great (M greater than 9) 1960 Chile, 1964 Alaska, and 2004 Sumatra events, rupture along 1000 km or more. Contributors also address why certain subduction zones are fully locked, accumulating elastic strain at essentially the full plate convergence rate, while others appear to be only partially coupled or even freely slipping; whether these locking patterns persist through the seismic cycle; and what is the role of sediments and fluids on the incoming plate. Nineteen papers written by experts in a variety of fields review the most current lab, field, and theoretical research on the origins and mechanics of subduction zone earthquakes and suggest further areas of exploration. They consider the composition of incoming plates, laboratory studies concerning sediment evolution during subduction and fault frictional properties, seismic and geodetic studies, and regional scale deformation. The forces behind subduction zone earthquakes are of increasing environmental and societal importance.
Seismogenic and Tsunamigenic Processes in Shallow Subduction Zones
Author | : Jeanne Sauber,Renata Dmowska |
Publsiher | : Birkhäuser |
Total Pages | : 373 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9783034886796 |
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Earthquakes in shallow subduction zones account for the greatest part of seismic energy release in the Earth and often cause significant damage; in some cases they are accompanied by devastating tsunamis. Understanding the physics of seismogenic and tsunamigenic processes in such zones continues to be a challenging focus of ongoing research. The seismologic and geodetic work reported in this volume highlights the recent advances made toward quantifying and understandig the role of shallow plate coupling in the earthquake generation process. The relation between regional seismotectonics, features in the downgoing plate, and the slip distribution in earthquakes are examined for recent and great historical events. In addition to papers reporting new results, review articles on tsunami and tsunamigenic earthquakes and depth dependent plate interface properties are presented. These observational results, along with complementary laboratory and theoretical studies, can assist in assessing the seismic potential of a given region.
Stressing Seismicity and Rupture of Slip Deficient Fault Zones
Author | : J. R. Rice |
Publsiher | : Unknown |
Total Pages | : 34 |
Release | : 1993 |
Genre | : Earthquake prediction |
ISBN | : STANFORD:36105029052557 |
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Rheology and Deformation of the Lithosphere at Continental Margins
Author | : Garry D. Karner,Brian Taylor,Neal W. Driscoll,David L. Kohlstedt |
Publsiher | : Columbia University Press |
Total Pages | : 367 |
Release | : 2004-03-24 |
Genre | : Science |
ISBN | : 9780231501897 |
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Traditionally, investigations of the rheology and deformation of the lithosphere (the rigid or mechanically strong outer layer of the Earth, which contains the crust and the uppermost part of the mantle) have taken place at one scale in the laboratory and at an entirely different scale in the field. Laboratory experiments are generally restricted to centimeter-sized samples and day- or year-length times, while geological processes occur over tens to hundreds of kilometers and millions of years. The application of laboratory results to geological systems necessitates extensive extrapolation in both temporal and spatial scales, as well as a detailed understanding of the dominant physical mechanisms. The development of an understanding of large-scale processes requires an integrated approach. This book explores the current cutting-edge interdisciplinary research in lithospheric rheology and provides a broad summary of the rheology and deformation of the continental lithosphere in both extensional and compressional settings. Individual chapters explore contemporary research resulting from laboratory, observational, and theoretical experiments.
Geology of the Earthquake Source
Author | : Åke Fagereng,Virginia G. Toy,Julie V. Rowland |
Publsiher | : Geological Society of London |
Total Pages | : 354 |
Release | : 2011 |
Genre | : Earthquake prediction |
ISBN | : 1862393370 |
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Professor Richard (Rick) Sibson revolutionized structural geology by illustrating that fault rocks contain an integrated record of earthquakes. Fault-rock textures develop in response to geological and physical variables such as composition, environmental conditions (e.g. temperature and pressure), fluid presence and strain rate. These parameters also determine the rate- and state-variable frictional stability of a fault, the dominant mineral deformation mechanism and shear strength, and ultimately control the partitioning between seismic and aseismic deformation. This volume contains a collection of papers that address the geological record of earthquake faulting from field-based or theoretical perspectives.
Geology and Tectonics of Subduction Zones A Tribute to Gaku Kimura
Author | : Timothy Byrne,Michael B. Underwood,Donald Fisher,Lisa McNeill,Demian Saffer,Kohtaro Ujiie,Asuka Yamaguchi |
Publsiher | : Geological Society of America |
Total Pages | : 215 |
Release | : 2018-07-06 |
Genre | : Science |
ISBN | : 9780813725345 |
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This volume highlights the career of Dr. Gaku Kimura, professor emeritus of geosciences at the University of Tokyo, by showing the spectrum of research required to understand these dynamic environments and the range of research he has inspired. The first three chapters provide context for the growth of accretionary prisms by examining the thermal structure of the ocean crust, and the sedimentary facies and potential fluid pathways in the Shikoku Basin. Next, two chapters look at the regional-scale structure of the plate boundary and the rheology and hysteresis of the hanging wall of the subduction zone in SW Japan. The following five chapters discuss the progressive deformation and thermal maturation of sediments along accretionary margins from Japan to New Zealand to western North America. The final two chapters look at the deformation processes near the subducting plate interface with the last chapter proposing a link between outcrop-scale observations and seismic slip.
Crustal Structure and Earthquake Hazards of the Subduction Zone in Southwestern British Columbia and Western Washington
Author | : Michael A. Fisher |
Publsiher | : Geological Survey (USGS) |
Total Pages | : 40 |
Release | : 2005 |
Genre | : Nature |
ISBN | : UOM:39015069129255 |
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Thrust Fault Related Folding
Author | : Ken McClay,John H. Shaw,John Suppe |
Publsiher | : AAPG |
Total Pages | : 404 |
Release | : 2011-10-01 |
Genre | : Science |
ISBN | : 9780891813767 |
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