Abstract
It was shown that strain meters at observation stations in Kobe did not satisfactorily function during periods including the occurrence time of the 1995 Kobe earthquake, while present stress meters are incapable of continuous recording. Here we propose a new stress meter for earthquake surveillance which continuously records the accurate value of stress. The probe for measuring stress is a coil of manganin wire having pressure-sensitive resistivity which is confined within a thin vessel filled with liquid Such vessels are buried underground in groups of 6 with different orientations to record the 6 components of stress. Extra values of stress caused by burying the vessels can be subtracted from the observed data. Thus the absolute values of underground stress are obtained.
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