Fig. 4From: Triangulation scale error caused by the 1894 Shonai earthquake: a possible cause of erroneous interpretation of seismic potential along the Japan TrenchLocal map of the source region of the 1894 Shonai earthquake. The red lines denote the Eastern Shonai Plain fault zone. The pink ellipse denotes the area of severe damage (seismic intensity 5+ or larger). SB denotes the location of the Shionohara baseline. MOGA, SHIN, TACH are the GEONET stationsBack to article page