EARTHQUAKES OX THE PACIFIC COAST 15 



1898. October 13; Bishop. 

 1898.— October 15; Ukiah. 



1898. October 19; Eureka. Light shock of earthquake occurred at 11:35 

 p. m. Barometer about 29:98, temperature about 46. 



1898. October 23; San Bernardino. 



1898. October 25; Oakland, Chabot Observatory. Prof. Chas. Burckhalter: 

 3:15:17 p. m.; duration, 5 seconds; direction of vibration, south- 

 west to northeast; intensity, II on E.-F. scale. Very feeble shock, 

 direction circular. 



1898. October 27; Lick Observatory; 2:22:24 p. m. Northeast and south- 

 west. E.-F. II. Duplex shows a single nearly straight line. 



1898. November 5; Sunimerdale. 



Lick Observatory; 9:9:8 p. m. 



1898. November 14; Niles; 1:10 p. m.; second shock, 1:57 p. m. Observer, 

 Wm. Barry. 



1898. November 19; Lick Observatory; 11:27:1. Three close vertical 

 shocks; last two very light, first one fairly strong. — Prof. W. W. 

 Campbell. 



1898. November 25; Eureka. Light shock of earthquake occurred at 9:22 

 p. m. Barometer about 30:18, temperature about 35°. 



1898. December 7; San Leandro. 



Niles; 7:29 p. m. Observer, Wm. Barry. 



Alameda; 7:38:47 p. m. E.-F. Ill or IV. Direction, east and west; 

 duration, 4 seconds. A grinding noise preceded the heaviest shock. 

 Seismograph (duplex) shows jagged irregular mark Si/o mm. north- 

 west and southeast by 1% mm. at right angles.— Prof. C. D. 

 Perrine. 



1899. January 2; Guerneville; 5 a. m. 



1899. January 6; Berkeley; 2:41:28 a. m. (?). 



1899. January 9; Berkeley. Ewing seismograph records slight southwest 

 motion; duplex seismograph shows slight southeast motion. 



1899. January 10; Berkeley. Ewing records southwest motion; duplex 

 records northeast. 



1899. January 11; Berkeley. .Ewing records southwest motion. 



^ 



