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Preparations for earthquakes can consist of survival measures, preparation that will improve survival in the event of an earthquake, or mitigating measures, that seek to minimise the effect of an earthquake. Common survival measures include storing food and water for an emergency, and educating individuals what to do during an earthquake. [1 ...
The determination of seismic risk is the foundation for risk mitigation decision-making, a key step in risk management. Large corporations and other enterprises (e.g., local governments) analyze their 'portfolio' of properties, to determine how to best allocate limited funds for structural strengthening of buildings, or other risk reduction measures such as emergency planning.
The 1755 Lisbon earthquake (Portugal) resulted in prescriptive rules for building certain kinds of buildings common in the area. [2]Following the 1908 Messina earthquake (Italy), the Royal Government of Italy established Geological Committee and Engineering Committee in early 1909 to study the disaster and recommend earthquake disaster mitigation measures.
Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes.With better understanding of seismic demand on structures and with recent experiences with large earthquakes near urban centers, the need of seismic retrofitting is well acknowledged.
Every year tens of millions of people take part in a massive earthquake drill called the Great ShakeOut, which teaches people what to do and how to respond in case of a ground-rattling temblor.
Mitigation of seismic motion is an important factor in earthquake engineering and construction in earthquake-prone areas. The destabilizing action of an earthquake on constructions may be direct (seismic motion of the ground) or indirect (earthquake-induced landslides , liquefaction of the foundation soils and waves of tsunami ).
A tsunami warning affecting more than 5 million people has been lifted after a major earthquake rocked Northern California.. The U.S. Geological Survey reported the tremor, with a magnitude of 7.0 ...
The National Earthquake Hazards Reduction Program (NEHRP) was established in 1977 by the United States Congress as part of the Earthquake Hazards Reduction Act of 1977.The original stated purpose for NEHRP was "to reduce the risks of life and property from future Earthquakes in the United States through the establishment and maintenance of an effective earthquake hazards reduction program."