BULL. GEOL. SOC. 



^^-, f^W 



seismograms 



of the greaf Yakufaf Bay earfhcjfuake, 5epf./0./e99 

 as recorc/ec/ a/ C a fan /a, Ifcf/y- 



23.2«.3S 



23.01.0^ 



-fi^-i^^-<>-^ — ''V^AvAJ/ifA/y^JlliJL-. 



2a,o6V 



MAl.l^ 



^.^^.--^ . y-«-~>-/-~v/^---^---'-'--^VvJ\|W^ — W-r— Vl»' — yv^— „-— ^. ^/\/'N./N./->- W^ 



1. « . 

 1453.14 



14w49.SS 



Seismograms of the San rranc/'sco, Ccyf/yorn/a, €arf/1(juake Apr./a./906 

 as rQcoro/ecf a/ Ca/-an/a, Ifa/y. 



S*v - /VR 



- — ^-^'yyu~.^>.vwv> — --/v^/\/yvv^ 



15.7. « 



\ m » 



14.56. 22 



COMPARISON OF ONE OF THE YAKUTAT SAY EARTHQUAKES OF 1899 WITH THE CALIFORNIA EARTHQUAKE OF 1906 



