Crossing the Border : Assessing the differences between new Canadian and American seismic hazard maps
Crossing the Border : Assessing the differences between new Canadian and American seismic hazard maps
复制标题
跨越边境:评估新的加拿大和美国地震灾害地图之间的差异
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发表时间:
1999
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通讯作者:
J. Adams
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作者:
S. Halchuk;J. Adams
The Geological Survey of Canada’s new suite of seismic hazard maps will form the basis of seismic design codes in the year-2001 edition of the National Building Code of Canada. The USGS has released a similar set of maps in 1996 for the 1997 NEHRP. While there is general agreement in relative hazard levels, as shown by comparing hazard between Canadian and appropriate U.S. cities, hazard contours do not necessarily match across the border. Differences in the definition of source zones, choice of attenuation relations, and incorporating Cascadia subduction earthquakes all contribute to these cross-border differences.
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