278 



SEKIYA AND OMOK'T. 



E. W. Component. 



X. S. Coniponpiit. 



(20.)— :\[:iy nOth, 18S1).— A smnll otirtliqiinke. 



E. W. Comp. 

 X. S. Comp. 



Max. Ampl. 



Surf. 



0.8 



.3 



Pit 



Surf. 



Pit 



0.8 



2.0 



Period. 



Surf. 



.33 

 .9 



Pit 



Surf. 



Pit 



.46 0.7 

 .4 2.3 



