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The book provides information on the major EEW systems in operation and on the state-of-the-art of the different blocks forming an EW system: the rapid detection and estimation of the earthquake’s focal parameters, the signal transmission, the engineering interface and the information reliability/false alarm problem. It is the first time that so many aspects of EEW systems have been specifically focused upon within a single book.
Written for a broad audience this book offers a comprehensive account of early warning systems for hydro meteorological disasters such as floods and storms, and for geological disasters such as earthquakes. One major theme is the increasingly important role in early warning systems played by the rapidly evolving fields of space and information technology. The authors, all experts in their respective fields, offer a comprehensive and in-depth insight into the current and future perspectives for early warning systems. The text is aimed at decision-makers in the political arena, scientists, engineers and those responsible for public communication and dissemination of warnings.
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.
Technological advances have helped to enhance disaster resilience through better risk reduction, response, mitigation, rehabilitation and reconstruction. In former times, it was local and traditional knowledge that was mainly relied upon for disaster risk reduction. Much of this local knowledge is still valid in today’s world, even though possibly in different forms and contexts, and local knowledge remains a shared part of life within the communities. In contrast, with the advent of science and technology, scientists and engineers have become owners of advanced technologies, which have contributed significantly to reducing disaster risks across the globe. This book analyses emerging technologies and their effects in enhancing disaster resilience. It also evaluates the gaps, challenges, capacities required and the way forward for future disaster management. A wide variety of technologies are addressed, focusing specifically on new technologies such as cyber physical systems, geotechnology, drone, and virtual reality (VR)/ augmented reality (AR). Other sets of emerging advanced technologies including an early warning system and a decision support system are also reported on. Moreover, the book provides a variety of discussions regarding information management, communication, and community resilience at the time of a disaster. This book’s coverage of different aspects of new technologies makes it a valuable resource for students, researchers, academics, policymakers, and development practitioners.
This volume comprises select papers presented during the Indian Geotechnical Conference 2018. This volume discusses concepts of soil dynamics and studies related to earthquake geotechnical engineering, slope stability, and landslides. The papers presented in this volume analyze failures connected to geotechnical and geological origins to improve professional practice, codes of analysis and design. This volume will prove useful to researchers and practitioners alike.
Following a series of natural disasters, including Hurricane Katrina, that revealed shortcomings in the nation's ability to effectively alert populations at risk, Congress passed the Warning, Alert, and Response Network (WARN) Act in 2006. Today, new technologies such as smart phones and social media platforms offer new ways to communicate with the public, and the information ecosystem is much broader, including additional official channels, such as government social media accounts, opt-in short message service (SMS)-based alerting systems, and reverse 911 systems; less official channels, such as main stream media outlets and weather applications on connected devices; and unofficial channels, such as first person reports via social media. Traditional media have also taken advantage of these new tools, including their own mobile applications to extend their reach of beyond broadcast radio, television, and cable. Furthermore, private companies have begun to take advantage of the large amounts of data about users they possess to detect events and provide alerts and warnings and other hazard-related information to their users. More than 60 years of research on the public response to alerts and warnings has yielded many insights about how people respond to information that they are at risk and the circumstances under which they are most likely to take appropriate protective action. Some, but not all, of these results have been used to inform the design and operation of alert and warning systems, and new insights continue to emerge. Emergency Alert and Warning Systems reviews the results of past research, considers new possibilities for realizing more effective alert and warning systems, explores how a more effective national alert and warning system might be created and some of the gaps in our present knowledge, and sets forth a research agenda to advance the nation's alert and warning capabilities.
The United States is extremely vulnerable to catastrophic earthquakes. More than 143 million Americans may be threatened by damaging earthquakes in the next 50 years. This study argues that the United States is unprepared for the most catastrophic earthquakes the country faces today. Earthquake early warning systems are a major solution in practice to reduce economic risk, to protect property and the environment, and to save lives. Other countries have already built earthquake early warning systems, but only after they suffered devastating earthquakes. In the United States, ShakeAlert is the available solution, but it only operates on a test basis in California and still lacks sufficient capability and sustained funding to become operational. This study applies an input-output model of political systems theory to analyze how the National Earthquake Hazards Reduction Program, which controls the development of ShakeAlert, functions in the United States. Using this model provides a framework for a discourse of the analysis to determine how the consequences of catastrophic earthquakes shape our decisions and policies for ShakeAlert.This study also examines what changes are required within our political system for ShakeAlert to launch as quickly as possible on a national scale and to allow for its sustained integration within the American preparedness culture. Perhaps most importantly, the implementation of ShakeAlert will help prepare the people, businesses, infrastructure, economies, and communities, hopefully before the next significant earthquake impacts the United States. Will the United States have to experience a devastating earthquake before implementing a solution that is recognized to save lives?I. INTRODUCTION * A. PROBLEM STATEMENT * B. RESEARCH QUESTIONS * C. RESEARCH SIGNIFICANCE * D. METHODOLOGY * II. LITERATURE REVIEW * A. WHAT IS AN EARTHQUAKE EARLY WARNING SYSTEM? * B. EFFECTIVENESS OF EARTHQUAKE EARLY WARNING SYSTEMS * C. INTERNATIONAL CASE STUDY: JAPAN EARTHQUAKE EARLY WARNING * D. THE NEED IN THE UNITED STATES * E. POLITICAL SYSTEMS THEORY: EASTON'S INPUT-OUTPUT MODEL * F. LITERATURE REVIEW CONCLUSION * III. U.S. STRATEGY TOWARD CATASTROPHIC EARTHQUAKES * A. CATASTROPHIC EARTHQUAKE ENVIRONMENTS * 1. Cascadia Subduction Zone--Northwest * 2. New Madrid Fault Zone--Midwest * 3. San Andreas Fault--California * 4. Wasatch Fault Zone--Utah * B. NATIONAL EARTHQUAKE HAZARDS REDUCTION PROGRAM * C. SHAKEALERT: EARTHQUAKE EARLY WARNING IN THE UNITED STATES * D. STRATEGY IN THE UNITED STATES CONCLUSION * IV. SYSTEMS ANALYSIS: NATIONAL EARTHQUAKE HAZARDS REDUCTION * A. DYNAMIC RESPONSE MODEL OF A POLITICAL SYSTEM * B. INPUTS: DEMANDS AND SUPPORT * C. NHERP POLITICAL SYSTEM: THE AUTHORITIES * 1. National Institute of Science and Technology * 2. Federal Emergency Management Agency * 3. United States Geological Survey * 4. National Science Foundation * D. OUTPUTS: DECISIONS AND POLICIES * E. INTRASOCIETAL ENVIRONMENT: ENTERPRISE FEEDBACK * F. EXTRASOCIETAL ENVIRONMENT: CONSUMER FEEDBACK * G. SYSTEMS ANALYSIS CONCLUSION * V. CONCLUSION * A. AUTHORITATIVE ALLOCATION OF EARTHQUAKE VALUES FOR SOCIETY * B. A SYSTEMS APPROACH TO EARTHQUAKE RESILIENCE * C. FUTURE RESEARCH CONSIDERATIONS
A unique interdisciplinary approach to disaster risk research, including global hazards and case-studies, for researchers, graduate students and professionals.
This book comprises select proceedings of the annual conference of the Indian Geotechnical Society. The conference brings together research and case histories on various aspects of geotechnical and geoenvironmental engineering. The book presents papers on geotechnical applications and case histories, covering topics such as (i) Characterization of Geomaterials and Physical Modelling; (ii) Foundations and Deep Excavations; (iii) Soil Stabilization and Ground Improvement; (iv) Geoenvironmental Engineering and Waste Material Utilization; (v) Soil Dynamics and Earthquake Geotechnical Engineering; (vi) Earth Retaining Structures, Dams and Embankments; (vii) Slope Stability and Landslides; (viii) Transportation Geotechnics; (ix) Geosynthetics Applications; (x) Computational, Analytical and Numerical Modelling; (xi) Rock Engineering, Tunnelling and Underground Constructions; (xii) Forensic Geotechnical Engineering and Case Studies; and (xiii) Others Topics: Behaviour of Unsaturated Soils, Offshore and Marine Geotechnics, Remote Sensing and GIS, Field Investigations, Instrumentation and Monitoring, Retrofitting of Geotechnical Structures, Reliability in Geotechnical Engineering, Geotechnical Education, Codes and Standards, and other relevant topics. The contents of this book are of interest to researchers and practicing engineers alike.
Many coastal areas of the United States are at risk for tsunamis. After the catastrophic 2004 tsunami in the Indian Ocean, legislation was passed to expand U.S. tsunami warning capabilities. Since then, the nation has made progress in several related areas on both the federal and state levels. At the federal level, NOAA has improved the ability to detect and forecast tsunamis by expanding the sensor network. Other federal and state activities to increase tsunami safety include: improvements to tsunami hazard and evacuation maps for many coastal communities; vulnerability assessments of some coastal populations in several states; and new efforts to increase public awareness of the hazard and how to respond. Tsunami Warning and Preparedness explores the advances made in tsunami detection and preparedness, and identifies the challenges that still remain. The book describes areas of research and development that would improve tsunami education, preparation, and detection, especially with tsunamis that arrive less than an hour after the triggering event. It asserts that seamless coordination between the two Tsunami Warning Centers and clear communications to local officials and the public could create a timely and effective response to coastal communities facing a pending tsuanami. According to Tsunami Warning and Preparedness, minimizing future losses to the nation from tsunamis requires persistent progress across the broad spectrum of efforts including: risk assessment, public education, government coordination, detection and forecasting, and warning-center operations. The book also suggests designing effective interagency exercises, using professional emergency-management standards to prepare communities, and prioritizing funding based on tsunami risk.