Maj) showing tlie Seismic Area of the Great Earthquake of Sept. 1, 1923. 



PI. XV. 



GUMMA I PREFECT URE.\^ PREFECTURE f-"*t 



1. Isoseisraal lines. The thinner and the thicker curves correspond to the boundaries of the areas in which the collapsed Louses reached f)% or 30?^ 

 of the total number in such areas respectivelv. 2. Areas of elevation or depression are indicated by red or blue colour; the more pronounced the change 

 of level was, the more deeply shaded is the colour. Submarine areas where the level change was less than 30m. are not indicated. 3. The direction of the 

 initial movement is indicated by a small arrow. 4. Fach number shows the position of locality corresponding to that of the same number in Table III. 

 5. Wavelike lines along the coast indicate tunanu: max. height is shown bv number of the lines (one line to every 3m.). 6. Each cross indicates the 



position where submarine cable was broken. Localities No. 7 = Kamakura, No. 24=L'raga, No. 35 = Hudisawa, No. 36 = Tigasaki, No. 125 = Manaduru, 



No. 182=Sanuki, No. 187 = Hunagata, No. 188=Tatevama. 



