SUNSPOTS AND VOLCANIC AND SEISMIC PHENOMENA. 



57 



is based on 120 earthquakes and 95 eruptions, in all 215 

 disturbances. 



The result of my enquiry is expressed in the following 



ble, and graphically in figures 



1-3:— 





T 



Earthquakes. 



Eruptions. 



Total 



*0 - 1 



35 



28 



63 



1-2 



12 



11 



23 



2-3 



8 



6 



14 



3-4 



4 



6 



10 



4-5 



7 



4 



11 



5-6 



5 



5 



10 



6-7 



9 



7 



16 



7-8 



12 



6 



18 



8-9 



7 



7 



14 



9-10 



21 



15 



36 





120 



95 



215 















Curve showing Earthquake Frequency in a Sunspot Period. 



cMuv. 



Fig. 1. 



# = vlimmum. 



