Quart. Journ. Geol. Soc. Vol. LXXIV, PI. XII. 



vu ix xi i ni v vii ix xi i in v 



-Day- 



ITALY 1891 - 1910 



JAPAN 1885 - 1892 



Whole Year- 



-Night- 



Wlnter half 



The Diurnal and Seasonal Frequency of Earthquakes in Italy and Japan. 



