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Learn how to survive and mitigate the effects of earthquakes with various measures, such as building design, food and water storage, and emergency plans. Find out the different levels and types of preparedness for individuals, families, communities, and businesses.
An earthquake is the shaking of the Earth's surface caused by a sudden release of energy in the lithosphere. Learn about the different types of faults, the causes of earthquakes, the effects of earthquakes on the environment and society, and some of the most devastating earthquakes in history.
Learn about the history, techniques and applications of seismic base isolation, a method of protecting structures against earthquake forces by decoupling them from the ground. Find out how base isolation works, what types of isolators are used, and how it is researched and tested.
Seismic retrofit is the modification of existing structures to make them more resistant to earthquakes. Learn about the different levels of performance objectives, the common techniques such as external post-tensioning and base isolation, and the examples of seismic retrofitted structures.
Seismic loading is the application of earthquake-generated agitation to a structure. It depends on seismic hazard, geotechnical parameters, structure's parameters and tsunami characteristics.
School Safety Preparedness Drill (SSPD) is an annual earthquake preparedness drill being organised in schools of North and North Eastern states of India commemorating 4 April 1905 Kangra earthquake. The two non-governmental organisations GeoHazards Society (GHS) and GeoHazards International (GHI) has been working for earthquake safety in South ...
Learn about the interdisciplinary branch of engineering that designs and analyzes structures to withstand earthquakes. Find out the basic concepts, methods, and applications of earthquake engineering, as well as its history and research.
Learn what peak ground acceleration (PGA) is, how it is measured and used in earthquake engineering and seismic hazard maps. Find out how PGA varies with earthquake magnitude, depth, distance and ground type, and see examples of PGA values for recent earthquakes.