Author:
Publisher:
ISBN:
Category : Seismograms
Languages : en
Pages : 2

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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 326

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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 646

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Author:
Publisher:
ISBN:
Category : Geological mapping
Languages : en
Pages : 618

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Author: F. A. Dahlen
Publisher: Princeton University Press
ISBN: 0691216150
Category : Science
Languages : en
Pages : 1040

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Book Description
After every major earthquake, the Earth rings like a bell for several days. These free oscillations of the Earth and the related propagating body and surface waves are routinely detected at broad-band seismographic stations around the world. In this book, F. A. Dahlen and Jeroen Tromp present an advanced theoretical treatment of global seismology, describing the normal-mode, body-wave, and surface-wave methods employed in the determination of the Earth's three-dimensional internal structure and the source mechanisms of earthquakes. The authors provide a survey of both the history of global seismological research and the major theoretical and observational advances made in the past decade. The book is divided into three parts. In the first, "Foundations," Dahlen and Tromp give an extensive introduction to continuum mechanics and discuss the representation of seismic sources and the free oscillations of a completely general Earth model. The resulting theory should provide the basis for future scientific discussions of the elastic-gravitational deformation of the Earth. The second part, "The Spherical Earth," is devoted to the free oscillations of a spherically symmetric Earth. In the third part, "The Aspherical Earth," the authors discuss methods of dealing with the Earth's three-dimensional heterogeneity. The book is concerned primarily with the forward problem of global seismology--detailing how synthetic seismograms and spectra may be calculated and interpreted. As a long-needed unification of theories in global seismology, the book will be important to graduate students and to professional seismologists, geodynamicists, and geomagnetists, as well as to astronomers who study the free oscillations of the Sun and other stars.

Author: William Hung Kan Lee
Publisher: Academic Press
ISBN:
Category : Science
Languages : en
Pages : 536

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Book Description
Key Features * Historical seisograms are extremely important in establishing a long-term database and in supplementing more recent information obtained by global seismic networks; The papers presented here address awide range of historical earthquake research and discuss earthquake data from around the world, which has until now remained largely inaccessible; Topics include: * importance of historical seismograms for geophysical research * historical seismograms and interpretation of strong earthquakes * application of modern techniques to analysis of historical earthquakes

Author: Dale Glover
Publisher:
ISBN:
Category : Seismological stations
Languages : en
Pages : 48

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Author: Dale Price Glover
Publisher:
ISBN:
Category : Seismological stations
Languages : en
Pages : 44

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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 648

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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309065623
Category : Science
Languages : en
Pages : 431

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Book Description
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.