Comparison Of Seismic Characteristics Of
The Surface Ground In Asia Using
Microtremor Observations
Author(s)
A. Che, T. Iwatate & Y. Oda
Abstract
In order to investigate the local site effects for seismic vulnerability of a study
area based on its ground motion characteristics of the surface ground,
microtremor measurements were conducted on the ground of typical sites in Asia
(Zushi, and Ogasawara- Japan, Xi’an-China, Manila-Philippines, and Gujarat-
India) with different soil conditions. From these observation data, the
fundamental frequencies and the dynamic characteristics of the surface ground
were estimated by spectral ratio H/V of Nakamura’s method [1].
These results showed good agreement with those obtained from earthquake
observations. Moreover, the seismic responses of the ground were evaluated
using the earthquake records. This study will be useful for the seismological
micro zoning and planning seismic disaster mitigation
Keywords
Related Book
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