Principles And Applications Of Microearthquake Networks
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Principles And Applications Of Microearthquake Networks
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Author : William Hung Kan Lee
language : en
Publisher: Academic Press
Release Date : 1981
Principles And Applications Of Microearthquake Networks written by William Hung Kan Lee and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Nature categories.
Living On An Active Earth
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2003-08-22
Living On An Active Earth written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-08-22 with Science categories.
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.
Seismic Activity In Western Europe
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Author : P. Melchior
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Seismic Activity In Western Europe written by P. Melchior 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 2012-12-06 with Science categories.
A damaging earthquake with intensity VII MSK and local magni= tude 5. 1 occurred on November 8, 1983, at 0:49 GMT near the Belgium town of Liege in the border region between Belgium, Germany and the Netherlands. This most severe earthquake in the northwestern part of Central Europe since more than thirty years has well been recorded by the dense seismic station network in West Germany which consists of more than twenty stations situated in the Lower Rhine Embayment and in the adjoining Rhenish Massif. Most of the stations are equipped with modern digital recording systems. Thus high-quality seismograms are available from the region east and southeast of the epicenter covering a distance range between 70 km and 144 km. From these data the source characteristics of the Liege mainshock and of its largest after= shock have been determined in order to get more information on the seismotectonic processes causing the Liege events. 2. Seismic Station Network During the period of 1976 to 1982 the seismic station network in the Lower Rhine Embayment and in the Rhenish Massif was consi= derably enlarged and mostly equipped with digital recording systems (Figure 1). At present there are more than twenty stations in operation. Most of them are operated by the Department of Earthquake Geology of the Geological Institute of the University of Cologne and the Geo= logical Survey of Nordrhein-Westfalen at Krefeld.
Instrumentation In Earthquake Seismology
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Author : Jens Havskov
language : en
Publisher: Springer
Release Date : 2015-11-16
Instrumentation In Earthquake Seismology written by Jens Havskov and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-16 with Science categories.
This work provides an up-to-date overview of modern instruments used in earthquake seismology as well as a description of theoretical and practical aspects of seismic instrumentation. The main topics are: • Choosing and installing equipment for seismic stations • Designing and setting up seismic networks and arrays • Maintaining and calibrating seismic instruments It also provides detailed descriptions of the following: • Seismic sensors • Digitizers • Seismic recorders • Communication systems • Software used for seismic station and networks In this second edition, new seismic equipment is presented and more comprehensive sections on topics like MEMS accelerometers, sigma-delta AD converters, dynamic range discussion and virtual networks have been included. This book is primarily intended for seismologists, engineers and technicians working with seismological instruments. It combines practical “know-how” with sufficient theory to explain the basic principles, making it also suitable for teaching students the most important aspects of seismic instrumentation. The book also gives a current overview of the majority of instruments and instrument manufacturers on the market, making it easy to compare the capability of instruments from different sources. SEISAN software was used for several examples in the book. This widely extended seismic analysis software is freely available from the University of Bergen website. The content of this book draws on the authors’ (a seismologist and a physicist) combined experience of working in this field for more than 35 years.
Landslides
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Author : J. Rybar
language : en
Publisher: Routledge
Release Date : 2018-05-02
Landslides written by J. Rybar and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-02 with Science categories.
The proceedings contain five invited lectures and 99 papers relevant to landslide occurrence and problems from Europe, Asia, America, Africa and Australia and New Zealand. The five special invited lectures deal with a variety of important aspects of landslides.
Volcanic Seismology
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Author : Paolo Gasparini
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Volcanic Seismology written by Paolo Gasparini 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 2012-12-06 with Science categories.
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.
Surface And Underground Project Case Histories
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Author : E. Hoek
language : en
Publisher: Elsevier
Release Date : 2016-09-08
Surface And Underground Project Case Histories written by E. Hoek and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-08 with Technology & Engineering categories.
Surface and Underground Project Case Histories
Monitoring And Mitigation Of Volcano Hazards
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Author : Roberto Scarpa
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Monitoring And Mitigation Of Volcano Hazards written by Roberto Scarpa 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 2012-12-06 with Science categories.
By the year 2000, the population worldwide at risk from volcanic hazards is likely to increase to about half a billion. Since 1980, significant advances have been made in volcano monitoring, data from which provide the sole scientific basis for eruption prediction. In this book, internationally renowned specialists provide 25 comprehensive articles covering a wide range of related topics: monitoring techniques and data analysis; modelling of monitoring data and eruptive pheneomena; volcanic hazards and risk assessment; and volcanic emergency management. Reviews of selected case histories of recent volcanic disasters demenostrate that effective communication - between scientists, civil authorities, news media and population - are essential to reduce volcanic risks.
Seismic Monitoring In Mines
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Author : A.J. Mendecki
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Seismic Monitoring In Mines written by A.J. Mendecki 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 2012-12-06 with Science categories.
Routine seismic monitoring in mines was introduced over 30 years ago with two main objectives in mind: • immediate location of larger seIsmIC events to guide rescue operations; • prediction of large rockmass instabilities. The first objective was achieved fairly quickly, but with the subsequent development of mine communication systems, its strategic importance has diminished. The very limited success with prediction can, at least partially, be attributed to three factors: • seismic monitoring systems based on analogue technology that provided noisy and, frequently, poorly calibrated data of limited dynamic range; • the non-quantitative description of a seismic event by at best its local magnitude; and • the resultant non-quantitative analysis of seismicity, frequently through parameters of some statistical distributions, with a somewhat loose but imaginative physical interpretation. The introduction of modern digital seismic systems to mines and progress in the theory and methods of quantitative seismology have enabled the implementation of realtime seismic monitoring as a management tool, quantifying rockmass response to mining and achieving the first tangible results with prediction. A seismic event, being a sudden inelastic deformation within the rockmass, can now routinely be quantified in terms of seismic moment, its tensor, and radiated seismic energy, so that the overall size of, and stress released at, the seismic source can be estimated.
Earthquake Hazard And Seismic Risk Reduction
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Author : Serguei Balassanian
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Earthquake Hazard And Seismic Risk Reduction written by Serguei Balassanian 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 2013-06-29 with Science categories.
In 1998 Armenia was commemorating the tenth anniversary of the catastrophic Spitak earthquake. The Second International Conference on "Earthquake Hazard and Seismic Risk Reduction" sponsored by the Government of the Republic of Armenia and United Nation's International Decade for Natural Disaster Reduction (UN/IDNDR) was held in dedication to that event between 14-21 September (later referred to as Yerevan Conference). The Yerevan Conference has been organized by the National Survey for Seismic Protection (NSSP) of the Republic of Armenia. All level's decision-makers (from the ministers to the local authorities), politicians, scientists, leaders of the executive and legislative powers, psychologists, leading businessmen, representatives from the private sector and the media as well as from the International Organizations have been invited by the Armenian NSSP to take part in joint discussion of the Seismic Risk Reduction Problem for the first time in the history of such forums. Armenian NSSP's such initiative has been triggered by the experience of the Spitak earthquake and other disasters. They showed that it will be possible to reduce the risks, posed by the natural disaster, only through the common efforts of all the community in co-operation with the International institutions.