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Doboku Gakkai Ronbunshu
In order to investigate the slightly-long-period microtremors, the measurement of microtremors at the seaside region and the periodical observations of microtremors over two years at the basin of inland have been carried out. It is conjectured that the slightly-long-period microtremors are due to natural disturbances such as the swell of the sea. Microtremors are affected by sea waves even at the region 60 km away from the seashore, but the microtremors on the deposit change in the same mannerdoi:10.2208/jscej.1990.424_169 fatcat:zyjy52xhijdt7d54alozwa2xre