Empirical relationships between Modified Mercalli Intensity and response spectra

被引：84

作者：

Atkinson, GM ^{[1
]}

Sonley, E ^{[1
]}

机构：

[1] Carleton Univ, Dept Earth Sci, Ottawa, ON K1S 5B6, Canada

来源：

BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA | 2000年 / 90卷 / 02期

关键词：

D O I：

10.1785/0119990118

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

We develop empirical relationships between response spectra (5% damped horizontal-component pseudo-acceleration, PSA) and Modified Mercalli Intensity (MMI) based on observations from 29 California earthquakes in the moment magnitude range from 4.9 to 7.4, recorded over the distance range from 1 to 300 km. Corresponding relationships for peak ground-motion parameters are also developed. The relationship between PSA at low frequencies (or peak ground displacement) and MMI depends strongly on magnitude, while the relationship between PSA at high frequencies (or peak ground acceleration) and MMI depends strongly on distance. If the magnitude and location of the earthquake are known, then PSA and peak ground motions may be estimated from MMI to within a factor of two in most cases.

引用

页码：537 / 544

页数：8