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Author : John Ristau
Publisher :
ISBN 13 : 9780947510831
Total Pages : 22 pages
Book Rating : 4.5/5 (18 download)
Download or read book Assessment of SeisComP3 Automatic Moment Tensor Solutions written by John Ristau and published by . This book was released on 2016 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alice-Agnes Gabriel
Publisher : Frontiers Media SA
ISBN 13 : 2832523056
Total Pages : 185 pages
Book Rating : 4.8/5 (325 download)
Download or read book High-Performance Computing in Solid Earth Geohazards: Progresses, Achievements and Challenges for a Safer World written by Alice-Agnes Gabriel and published by Frontiers Media SA. This book was released on 2023-05-09 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lawrence R. Wamboldt
Publisher :
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.:/5 (814 download)
Download or read book An Automated Approach for the Determination of the Seismic Moment Tensor in Mining Environments written by Lawrence R. Wamboldt and published by . This book was released on 2012 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was undertaken to evaluate an automated process to invert for seismic moment tensors from seismic data recorded in mining environments. The data for this study was recorded at Nickel Rim South mine, Sudbury, Ontario. The mine has a seismic monitoring system manufactured by ESG Solutions that performs continuous monitoring of seismicity. On average, approximately 400 seismic events are recorded each day. Currently, data are automatically processed by ESG Solution's software suite during acquisition. The automatic processors pick the P- and/or S-wave arrivals, locate the events and solve for certain source parameters, excluding the seismic moment tensor. In order to solve for the moment tensor, data must be manually processed, which is laborious and therefore seldom performed. This research evaluates an automatic seismic moment tensor inversion method and demonstrates some of the difficulties (through inversions of real and synthetic seismic data) of the inversion process. Results using the method are also compared to the inversion method currently available from ESG Solutions, which requires the manual picking of first-motion polarities for every event. As a result of the extensive synthetic testing of the automatic inversion program, as well as the inversion of real seismic data, it is apparent that there are key parameters requiring greater accuracy in order to increase the reliability of the automation. These parameters include the source time function definition, source location (in turn requiring more accurate and precise knowledge of the earth media), arrival time picks and an attenuation model to account for ray-path dependent filtering of the source time function. In order to improve the automatic method three key pieces of research are needed: (1) studying various location algorithms (and the effects of increasing earth model intricacy) and automatic time picking to improve source location methods, (2) studying how the source time pulse can be accurately extracted from the seismic records, as well as the validity of various source models, and (3) studying how attenuation can be modeled more accurately to account for the filtering of the seismic waves through the earth media (in particular distortion to the source time function).
Author :
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (713 download)
Download or read book Development of Automated Moment Tensor Software at the Prototype International Data Center written by and published by . This book was released on 2000 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: We are porting automatic seismic moment tensor software used by the Berkeley Seismological Laboratory to the Prototype International Data Center (PIDC). This software package utilizes a surface wave spectral amplitude and phase method coupled with a three-component waveform inverse method that is scaleable from teleseismic to regional distances. The objective is to initially develop automatic software for the analysis of Mw5.5 and greater events on a global scale utilizing the International Monitoring System (IMS). For regions of specific interest we will utilize crustal structure calibration information from other DTRA projects to refine capabilities to Mw4.5 and greater. Currently version 0.1 is ported to the PIDC, and several examples of its use are presented. During the course of this project a staged testing program will be employed to refine the software and to provide robust code suitable for operations at the PIDC.
Author : Sebastiano D'Amico
Publisher : Springer
ISBN 13 : 3319773593
Total Pages : 752 pages
Book Rating : 4.3/5 (197 download)
Download or read book Moment Tensor Solutions written by Sebastiano D'Amico and published by Springer. This book was released on 2018-05-12 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book first focuses on the explanation of the theory about focal mechanisms and moment tensor solutions and their role in the modern seismology. The second part of the book compiles several state-of-the-art case studies in different seismotectonic settings of the planet.The assessment of seismic hazard and the reduction of losses due to future earthquakes is probably the most important contribution of seismology to society. In this regard, the understanding of reliable determination seismic source and of its uncertainty can play a key role in contributing to geodynamic investigation, seismic hazard assessment and earthquake studies. In the last two decades, the use of waveforms recorded at local-to-regional distances has increased considerably. Waveform modeling has been used also to estimate faulting parameters of small-to-moderate sized earthquakes.
Author : Jens Havskov
Publisher : Springer Science & Business Media
ISBN 13 : 9048186978
Total Pages : 350 pages
Book Rating : 4.0/5 (481 download)
Download or read book Routine Data Processing in Earthquake Seismology written by Jens Havskov and published by Springer Science & Business Media. This book was released on 2010-06-16 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to get a practical understanding of the most common processing techniques in earthquake seismology. The book deals with manual methods and computer assisted methods. Each topic will be introduced with the basic theory followed by practical examples and exercises. There are manual exercises entirely based on the printed material of the book, as well as computer exercises based on public domain software. Most exercises are computer based. The software used, as well as all test data are available from http://extras.springer.com. This book is intended for everyone processing earthquake data, both in the observatory routine and in connection with research. Using the exercises, the book can also be used as a basis for university courses in earthquake processing. Since the main emphasis is on processing, the theory will only be dealt with to the extent needed to understand the processing steps, however references will be given to where more extensive explanations can be found. Includes: • Exercises • Test data • Public domain software (SEISAN) available from http://extras.springer.com
Author : Robert Hall
Publisher : Geological Society of America
ISBN 13 :
Total Pages : 592 pages
Book Rating : 4.:/5 (318 download)
Download or read book Tectonic Evolution of Southeast Asia written by Robert Hall and published by Geological Society of America. This book was released on 1996 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers in this volume explore the tectonic evolution of south-eastern Asia
Author : Subir Ghosh
Publisher : CRC Press
ISBN 13 : 9780824797638
Total Pages : 456 pages
Book Rating : 4.7/5 (976 download)
Download or read book Statistics of Quality written by Subir Ghosh and published by CRC Press. This book was released on 1996-09-26 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains the role of statistics in improving the quality of collecting and analyzing information for a wide variety of applications. The book examines the function of statisticians in quality improvement. It discusses statistical process control, quality statistical tables, and quality and warranty; quality standards in medicine and public health; Taguchi robust designs and survival models; and more.
Author : A. Ben-Menahem
Publisher : Springer Science & Business Media
ISBN 13 : 1461258561
Total Pages : 1127 pages
Book Rating : 4.4/5 (612 download)
Download or read book Seismic Waves and Sources written by A. Ben-Menahem and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1127 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthquakes come and go as they please, leaving behind them trails of destruc tion and casualties. Although their occurrence is little affected by what we do or think, it is the task of earth scientists to keep studying them from all possible angles until ways and means are found to divert, forecast, and eventually control them. In ancient times people were awestruck by singular geophysical events, which were attributed to supernatural powers. It was recognized only in 1760 that earthquakes originated within the earth. A hundred years later, first systematic attempts were made to apply physical principles to study them. During the next century scientists accumulated knowledge about the effects of earthquakes, their geographic patterns, the waves emitted by them, and the internal constitution of the earth. During the past 20 years, seismology has made a tremendous progress, mainly because of the advent of modern computers and improvements in data acquisi tion systems, which are now capable of digital and analog recording of ground motion over a frequency range of five orders of magnitude. These technologic developments have enabled seismologists to make measurements with far greater precision and sophistication than was previously possible. Advanced computational analyses have been applied to high-quality data and elaborate theoretical models have been devised to interpret them. As a result, far reaching advances in our knowledge of the earth's structure and the nature of earthquake sources have occurred.
Author : Cliffort H. Thurber
Publisher : Springer Science & Business Media
ISBN 13 : 9401595364
Total Pages : 271 pages
Book Rating : 4.4/5 (15 download)
Download or read book Advances in Seismic Event Location written by Cliffort H. Thurber and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Seismic Event Location provides a broad overview of the fundamental issues involved in seismic event location, and presents a variety of state-of-the-art location methods and applications at a wide range of spatial scales. Three important themes in the book are: seismic monitoring for a Comprehensive Nuclear-Test-Ban Treaty (CTBT), seismic event location in three-dimensional Earth models, and methods for multiple-event location. Each chapter contains background material to help readers less familiar with the topics covered, as well as to provide abundant references for readers interested in probing deeper into a topic. However, most of the emphasis is on recent advances in methodology and their application. Audience: The book is intended primarily for academic and professional researchers and graduate students in seismology.
Author : American Geophysical Union
Publisher :
ISBN 13 :
Total Pages : 330 pages
Book Rating : 4.F/5 ( download)
Download or read book Stress in the Lithosphere written by American Geophysical Union and published by . This book was released on 1992 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 586 pages
Book Rating : 4.F/5 ( download)
Download or read book Seismological Research Letters written by and published by . This book was released on 1987* with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. L. Sharma
Publisher : Springer
ISBN 13 : 3319768557
Total Pages : 431 pages
Book Rating : 4.3/5 (197 download)
Download or read book Advances in Indian Earthquake Engineering and Seismology written by M. L. Sharma and published by Springer. This book was released on 2018-06-22 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited volume is an up-to-date guide for students, policy makers and engineers on earthquake engineering, including methods and technologies for seismic hazard detection and mitigation. The book was written in honour of the late Professor Jai Krishna, who was a pioneer in teaching and research in the field of earthquake engineering in India during his decades-long work at the University of Roorkee (now the Indian Institute of Technology Roorkee). The book comprehensively covers the historical development of earthquake engineering in India, and uses this background knowledge to address the need for current advances in earthquake engineering, especially in developing countries. After discussing the history and growth of earthquake engineering in India from the past 50 years, the book addresses the present status of earthquake engineering in regards to the seismic resistant designs of bridges, buildings, railways, and other infrastructures. Specific topics include response spectrum superposition methods, design philosophy, system identification approaches, retaining walls, and shallow foundations. Readers will learn about developments in earthquake engineering over the past 50 years, and how new methods and technologies can be applied towards seismic risk and hazard identification and mitigation.
Author : Paolo Gasparini
Publisher : Springer Science & Business Media
ISBN 13 : 3642770088
Total Pages : 580 pages
Book Rating : 4.6/5 (427 download)
Download or read book Volcanic Seismology written by Paolo Gasparini and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many centuries people living on volcanoes have known that the outset of seismic activity is often a forerunner of a volcanic eruption. This understand ing allowed people living close to the sites of the Mt. Nuovo 1538 eruption at Campi Flegrei, Italy, and of the Mt. Usu 1663 eruption, in Hokkaido, Japan (to quote only two examples) to flee before the eruptions started. During the second half of the 19th century seismographs were installed on some volcanoes, and the link between seismic and eruptive activity started to be assessed on a firmer scientific basis. The first systematic observations of the correlations existing between seismic activity and volcanic eruptions were probably those carried out at Mt. Vesuvius by Luigi Palmieri in 1856. Palmieri was the Director of Osservatorio Vesuviano and built an electromagnetic seismograph with the aim of "making visible the smallest ground motions by recording them on paper and indicating direction, intensity and duration". He was able to show the relationship between earthquakes and the different phases of volcanic activity. He identified the harmonic tremor which he indicated was a precursor of volcanic activity: "the characteristic feature of the ground mo tions preceding eruption is its continuity . . . (before the eruption of 1861) the electromagnetic seismograph began to show a continuous tremor". The Palmieri seismograph was also utilized in Japan until 1883, when it was replaced by the new Gray-Milne seismographs, and, later, by the Omori in struments.
Author : Friedemann Wenzel
Publisher : Springer Science & Business Media
ISBN 13 : 3642122337
Total Pages : 382 pages
Book Rating : 4.6/5 (421 download)
Download or read book Early Warning for Geological Disasters written by Friedemann Wenzel and published by Springer Science & Business Media. This book was released on 2013-08-13 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past years have seen new technologies that could be utilized for early warning and real-time loss estimation. They include self-organizing sensor networks, new satellite imagery with high resolution, multi-sensor observational capacities, and crowd sourcing. From this and improved physical models, data processing and communication methodologies a significant step towards better early warning technologies has been achieved by research. At the same time, early warning systems became part of the disaster management practice for instance in Japan and Indonesia. This book marks the important point where: Research activities continue to improve early warning Experience with applications is expanding At this critical point in development of early warning for geological disasters it is timely to provide a volume that documents the state-of-the-art, provides an overview on recent developments and serves as knowledge resource for researcher and practitioners.
Author : Roberto Scarpa
Publisher : Springer Science & Business Media
ISBN 13 : 3642800874
Total Pages : 846 pages
Book Rating : 4.6/5 (428 download)
Download or read book Monitoring and Mitigation of Volcano Hazards written by Roberto Scarpa and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt: By the year 2000, the number of people at risk from volcanic hazards is likely to increase to around half a billion. Since 1980, significant advances have been made in volcano monitoring, the data from which provides the sole scientific basis for eruption prediction. Here, internationally renowned and highly experienced specialists provide 25 comprehensive articles covering a wide range of related topics: monitoring techniques and data analysis; modelling of monitoring data and eruptive phenomena; volcanic hazards and risk assessment; and volcanic emergency management. Selected case histories of recent volcanic disasters, such as Mount Pinatubo in the Philippines, demonstrate that effective communication - between scientists, civil authorities, the media and the population at risk - is essential to reducing the danger.
Author : Seth Stein
Publisher : John Wiley & Sons
ISBN 13 : 1118687450
Total Pages : 512 pages
Book Rating : 4.1/5 (186 download)
Download or read book An Introduction to Seismology, Earthquakes, and Earth Structure written by Seth Stein and published by John Wiley & Sons. This book was released on 2013-05-30 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Introduction to Seismology, Earthquakes and Earth Structures is an introduction to seismology and its role in the earth sciences, and is written for advanced undergraduate and beginning graduate students. The fundamentals of seismic wave propagation are developed using a physical approach and then applied to show how refraction, reflection, and teleseismic techniques are used to study the structure and thus the composition and evolution of the earth. The book shows how seismic waves are used to study earthquakes and are integrated with other data to investigate the plate tectonic processes that cause earthquakes. Figures, examples, problems, and computer exercises teach students about seismology in a creative and intuitive manner. Necessary mathematical tools including vector and tensor analysis, matrix algebra, Fourier analysis, statistics of errors, signal processing, and data inversion are introduced with many relevant examples. The text also addresses the fundamentals of seismometry and applications of seismology to societal issues. Special attention is paid to help students visualize connections between different topics and view seismology as an integrated science. An Introduction to Seismology, Earthquakes, and Earth Structure gives an excellent overview for students of geophysics and tectonics, and provides a strong foundation for further studies in seismology. Multidisciplinary examples throughout the text - catering to students in varied disciplines (geology, mineralogy, petrology, physics, etc.). Most up to date book on the market - includes recent seismic events such as the 1999 Earthquakes in Turkey, Greece, and Taiwan). Chapter outlines - each chapter begins with an outline and a list of learning objectives to help students focus and study. Essential math review - an entire section reviews the essential math needed to understand seismology. This can be covered in class or left to students to review as needed. End of chapter problem sets - homework problems that cover the material presented in the chapter. Solutions to all odd numbered problem sets are listed in the back so that students can track their progress. Extensive References - classic references and more current references are listed at the end of each chapter. A set of instructor's resources containing downloadable versions of all the figures in the book, errata and answers to homework problems is available at: http://levee.wustl.edu/seismology/book/. Also available on this website are PowerPoint lecture slides corresponding to the first 5 chapters of the book.
