Induced earthquakes

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  • Although the vast majority of earthquakes that occur in the world each year have natural causes, some of these earthquakes and a number of lesser magnitude seismic events are related to human activities and are called “induced seismic events” or “induced earthquakes.” Induced seismic activity has been documented since at least the 1920s and has been attributed to a range of human activities including the impoundment of large reservoirs behind dams, controlled explosions related to mining or construction, and underground nuclear tests.

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  • The mitigation of earthquake-related hazards represents a key role in the modern society. The mitigation of such kind of hazards spans from detailed studies on seismicity, evaluation of site effects, and seismo-induced landslides, tsunamis as well as and the design and analysis of structures to resist such actions. The study of earthquakes ties together science, technology and expertise in infrastructure and engineering in an effort to minimize human and material losses when they inevitably occur.

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  • Geotechnical Earthquake Considerations 33.1. Introduction 33.2. Seismology 33.3. Measurement of Earthquakes Magnitude • Intensity • Time History • Elastic Response Spectra • Inelastic Response Spectra 33 33.4. Strong Motion Attenuation and Duration 33.5 Probabilistic Seismic Hazard Analysis 33.6 Site Response Basic Concepts • Evidence for Local Site Effects • Methods of Analysis • Site Effects for Different Soil Conditions 33.7 Earthquake-Induced Settlement Settlement of Dry Sands • Settlement of Saturated Sands 33.

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  • The International Year of Planet Earth (IYPE) was established as a means of raising worldwide public and political awareness of the vast, though frequently under-used, potential the Earth Sciences possess for improving the quality of life of the peoples of the world and safeguarding Earth’s rich and diverse environments. The International Year project was jointly initiated in 2000 by the International Union of Geological Sciences (IUGS) and the Earth Science Division of the United Nations Educational, Scientific and Cultural Organisation (UNESCO).

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  • The mitigation of earthquake-related hazards represents a key role in the modern society. The mitigation of such kind of hazards spans from detailed studies on seismicity, evaluation of site effects, and seismo-induced landslides, tsunamis as well as and the design and analysis of structures to resist such actions. The study of earthquakes ties together science, technology and expertise in infrastructure and engineering in an effort to minimize human and material losses when they inevitably occur.

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  • Enactment and enforcement of building codes can prevent structural defects from faulty construction. These efforts include establishing legal construction standards, issuing construction permits, and conducting inspections during the building process.

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  • Seismic Design Practice in Japan 44.1 44.2 44.3 44.

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  • We live in an era with unparalleled opportunities to practice disease prevention based on knowledge of the earth environment. Although globally distributed early warning systems can monitor physical hazards such as earthquakes and tsunamis, chemical hazards on the other hand—whether actual or potential and natural or anthropogenically induced—remain difficult to accurately identify in time and space. Such hazards often have lengthy asymptomatic latency periods before disability or disease becomes evident....

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