Exposure Analysis Using the Probabilistic Seismic Hazard Maps for Japan

被引：3

作者：

Nojima, Nobuoto ^{[1
]}

Fujikawa, Satoshi ^{[2
]}

Ishikawa, Yutaka ^{[2
]}

Okumura, Toshihiko ^{[2
]}

Fujiwara, Hiroyuki ^{[3
]}

Morikawa, Nobuyuki ^{[3
]}

机构：

[1] Gifu Univ, Dept Engn, 1-1 Yanagido, Gifu 5011193, Japan

[2] Shimizu Corp, Inst Technol, Koto Ku, Tokyo 1358530, Japan

[3] Natl Res Inst Earth Sci & Disaster Prevent, Tsukuba, Ibaraki 3050006, Japan

来源：

JOURNAL OF DISASTER RESEARCH | 2013年 / 8卷 / 05期

关键词：

probabilistic seismic hazard maps; JMA Seismic Intensity; area exposure; population exposure; site amplification factor;

D O I：

10.20965/jdr.2013.p0861

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

With the aim of better understanding and more effective utilization of probabilistic seismic hazard maps in Japan, exposure analysis has been carried out by combining hazard maps with population distribution maps. Approximately 80% of the population of Japan is exposed to a relatively high seismic hazard, i.e., a 3% probability of exceeding JMA seismic intensity 6 lower within 30 years. In highly populated areas, specifically in major metropolitan areas, seismic hazard tends to relatively high because of the site amplification effects of holocene deposits. In implementing earthquake disaster mitigation measures, it is important to consider the overlapping effect of seismic hazard and demographic distributions.

引用

页码：861 / 868

页数：8

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