102 



REPORT 1892. 



From the preceding table we see that the average frequency per 

 season was 232'5, and also that the maximum frequency was in summer, 

 and the minimum in winter. 



If we call the six months from April to October the hot season, and 

 those from October to April the cold season, we have : — ■ 



Thus the average frequency of the two seasons was 465, and the 

 earthquakes occurred more frequently dui*ing the hot season than in the 

 cold one. 



2. Number of Earthquakes in each Hour, 



The occurrence of earthquakes according to the honi's of the day and 

 night is shown in the following table : — 



From the above table we see that the maximum frequencies occurred 

 between 2-3 a.m. and 0.1 p.m., whereas the minimum frequencies are 

 between 6-7 p.m. and 0-1 a.m. 



