EAETHQÜAKE OF CENTRAT, JAPAX, 1891. 39^ 



to the frequency in tlie two cities ; but it is known from an au- 

 thentic source that while the seismic observations were re-opened 

 h'om Ih., â.V p.m. in <iiin, in Xaa'oya thev were started just al 1 

 p.m., the seismouTaphs previously set up liaving been compJetelv 

 shattered l)y the terril )le sliocks in the morninu'. 



Down to the r^öth October, 1892. the number of earthquakes 

 recorded on seismometers run up to 2.092 in Gifii. and 1.170 iu 

 ISTag-oya, so that tlie excess of sepai-ate earthquakes in (n'fii over 

 those in Xasfoya is 1,822. 



