Figure 12From: Development of a borehole stress meter for studying earthquake predictions and rock mechanics, and stress seismograms of the 2011 Tohoku earthquake (M 9.0) Stress seismogram and normal seismogram observed in the Toshinomori (TOS) borehole station (depth of 512 m). During the 2011 Tohoku earthquake (11 March 2011, M 9.0).Back to article page