Jour. Sc. Coll. Vol. VU. PI. XV/II 



I 

 jrig, 30.— Distribution of Earthqitxikes 



during 4 years, 1887-90, in Mino, Oioari, and Mikawa. 



I o observing station. 



\ ® meteorological station. 



Curves are lines of equal earthquake numbers. 



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