Ground penetrating radar investigations across the Uemachi fault, Osaka, Japan

M Rashed, D Kawamura, H Nemoto, T Miyata… - Journal of Applied …, 2003 - Elsevier
A ground penetrating radar (GPR) survey was conducted across the well-known Uemachi
fault system in order to investigate the shallow geological structures in the vicinity of the fault …

Scattering and focusing of SH waves by a convex circular-arc topography

DH Tsaur, KH Chang - Geophysical Journal International, 2009 - academic.oup.com
The scattering problem of plane SH waves by convex circular-arc topography is
investigated. The series solution corresponding to this problem is derived via the …

A method to estimate phase velocities of Rayleigh waves using microseisms simultaneously observed at two sites

H Morikawa, S Sawada… - Bulletin of the …, 2004 - pubs.geoscienceworld.org
The frequency-wave number (FK) method and the spatial autocorrelation (SPAC) method
can both be applied to estimate the subsurface structure by using array observations of long …

Scattering and Focusing of SH Waves by a Lower Semielliptic Convex Topography

DH Tsaur - Bulletin of the Seismological Society of …, 2011 - pubs.geoscienceworld.org
The SH-wave scattering induced by a lower semielliptic convex topography is studied here.
A rigorous series solution is obtained via the region-matching technique. The method of …

An application of seismic tomography to basin focusing of seismic waves and Northridge earthquake damage

SA Baher, PM Davis - Journal of Geophysical Research: Solid …, 2003 - Wiley Online Library
Damage during the 1994 Northridge earthquake was anomalously concentrated in Santa
Monica, California. Aftershock studies suggest that the basin substructure caused localized …

Weighted stack of shallow seismic reflection line acquired in downtown Osaka City, Japan

M Rashed, E Yamamoto, M Mitamura, S Toda… - Journal of Applied …, 2002 - Elsevier
A 3.5-km-long shallow seismic reflection profile was acquired along Yodo riverbank across
the active Uemachi fault, Osaka City, Japan. The study aimed to explore the subsurface …

High‐resolution shallow seismic and ground penetrating radar investigations revealing the evolution of the Uemachi Fault system, Osaka, Japan

M Rashed, K Nakagawa - Island Arc, 2004 - Wiley Online Library
Ground penetrating radar (GPR) and high‐resolution shallow reflection seismic surveying
were carried out to investigate the subsurface geology in and around the Uemachi Fault …

A method to estimate the phase velocities of microtremors using a time-frequency analysis and its applications

H Morikawa, S Udagawa - Bulletin of the Seismological …, 2009 - pubs.geoscienceworld.org
The phase velocities of Rayleigh waves provide basic information for estimating the shear-
wave velocity structure of the ground. Many methods have been proposed for this purpose; …

[PDF][PDF] 3D bedrock structure of Okayama plain, wset Japan, as inferred from gravity anomalies and its relation to damage distribution during the 1946, M8. 0, Nankai …

K Nisimura, J Akamatsu, M Komazawa - Proceedings of 15th World …, 2012 - iitk.ac.in
Precise gravity measurements, conducted at 7692 stations with spacing of about 300m,
revealed 3D structure of granitic bedrock under the Okayama plain, west Japan, which …

[PDF][PDF] Placed on: Osaka City University Repository

T FUKUZUMI, H NISHINO, S YAMADA… - Journal of … - dlisv03.media.osaka-cu.ac.jp
A 1200 m long shallow seismic reflection profile is acquired across Uemachi fault system to
explore the subsurface geology in and around the fault zone area. Our aim is to investigate …