The purpose of this study is experimentally to clarify how the physiological and psychological reactions of elderly female who received from seismic motion are affected by different postures. The experiment was conducted in a total of 60 elderly male and female, with two posture conditions in chair sitting and supine positions, assuming an immediate power outage after the earthquake. As a result of the analysis, it became apparent that there were some differences in the physiological and psychological effects by seismic motion between the sitting position and the supine position for elderly female as with elderly male.