期刊
GEOPHYSICAL RESEARCH LETTERS
卷 40, 期 19, 页码 5070-5074出版社
AMER GEOPHYSICAL UNION
DOI: 10.1002/grl.50976
关键词
scaling relations; giant earthquakes; earthquake source model; tsunami hazard assessment; seismic moment; asperity
资金
- Ministry of Education, Culture, Sports, Science and Technology
- KAKENHI, Japan Society for the Promotion of Science [21310113, 24241060]
- Grants-in-Aid for Scientific Research [21310113] Funding Source: KAKEN
Scaling relations for seismic moment M-0, rupture area S, average slip D, and asperity size S-a were obtained for large, great, and giant (M-w=6.7-9.2) subduction-zone earthquakes. We compiled the source parameters for seven giant (M-w similar to 9) earthquakes globally for which the heterogeneous slip distributions were estimated from tsunami and geodetic data. We defined S-a for subfaults exhibiting slip greater than 1.5 times D. Adding 25 slip models of 10 great earthquakes around Japan, we recalculated regression relations for 32 slip models: S=1.34x10(-10)M(0)(2/3), D=1.66x10(-7)M(0)(1/3), S-a=2.81x10(-11)M(0)(2/3), and S-a/S=0.2, where S and S-a are in square kilometers, M-0 is in newton meters, and D is in meters. These scaling relations are very similar to those obtained by Murotani et al. (2008) for large and great earthquakes. Thus, both scaling relations can be used for future tsunami hazard assessment associated with a giant earthquake.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据