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Fig. 8 | Earth, Planets and Space

Fig. 8

From: Improvement in the accuracy of expected seismic intensities for earthquake early warning in Japan using empirically estimated site amplification factors

Fig. 8

(a) Example of the abnormal seismic intensity distribution in Tohoku district of Japan. A star indicates the epicenter of the intra-plate earthquake (Mj 6.8, Depth 108 km). Dotted lines indicate equidistant lines from the trench axis. Dashed-dotted line indicates volcanic front. (b) Schematic view of vertical cross section perpendicular to the trench axis for Q structure at subduction (Morikawa et al. (2003)). Stars indicate hypocenters. Arrows indicate ray paths from deep earthquakes to stations.

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