The response of a building structure can be seemed as, in frequency domain, the super summation of shaking modes and alternatively, in time domain, the wave propagation w [...]

Six segments for the region off the coast of Tohoku from Middle Sanriku-Oki to Ibaragi-Oki were indicated with seismic activities of past 400 years by the Headquarter of [...]

Spectral decay characteristics of ground motions for inland crustal earthquakes in Japan are examined. It is very important to clear spectral decay characteristics in hig [...]

Large permanent displacements, sometimes named “fling”, resulted from surface-rupturing faulting have been observed in some earthquakes, such as the 1999 Kocaeli, 199 [...]

High-cut frequency characteristics of ground motions for inland crustal earthquakes occurring in Japan are examined. It is very important to make clear spectral decay cha [...]

Studies that estimate low-frequency Q-value are very scarce. In most of them estimations are made by eye or by trial and error, without any systematic inversion approach. [...]

Average envelopes of small earthquakes represent a convenient basis for the construction of semi-empirical stochastic Green’s functions, used for prediction of future s [...]

This paper describes the generalized hybrid approach of wave injection for elastic linear case originated by Alterman and Karal (AK) in 1968 as a domain coupling technica [...]

High-rise buildings in mega-cities such as Osaka and Nagoya in Japan have a high probability of damage due to strong long-period ground motions from a great subduction ea [...]

In Mikawa area, the central area of Japan, many automobile plants and machine factories are locating there, unfortunately it is also one of the most risky regions for lar [...]