EARTHQUAKES ON THE PACIFIC COAST 37 



190i. April 2; Lk-k Observatory. First shock 11:39:25 a m lio-hf 

 second shock 11:39:29 a. m., a little heavy; directiou northwest to 

 southeast principally. — Dr. W. W. Campbell. 



1904. April i; Berkeley; 7:10:10 p. m. Northeast to southwest. Displace- 

 ment, 0.2o mm. 



1904. April 13; San Francisco. 



Oakland, Chabot Observatory. Observer, Professor Burckhalter; 

 5:15:23 p. m., intensity II. 



1904. April 15; Shasta. Probably 16th. 



1904. April 16; Bedding; 1:20 a. m. 



1904. April 21; Aptos, Boulder Creek, Campbell, Hollister, Los Gatos, 

 Mills College, Mt. Tamalpais. San Francisco, San Jose, San Mateo. 



Oakland. Chabot Observatory. Observer, Professor Burckhalter; 

 3:51:10 a. m., intensity II. 



Niles; 3:44 a. m. — Wm. Barry. 



Lick Observatory; 3:55 a. m. — E. Smitli. 



1904. May 1; Los Angeles, Ventura; 10:30 a. m. IV. 



1904. May 3; Hollister. 



1904. May 6; Cloverdale. 



1904. May 8; Ukiah. 



1904. May 11; Lick Observatory; 5:16:27 a. ra. d= 1 second. E.-F. Ill, 

 chiefly horizontal. Shock lasted about 3 seconds. Duplex record, 

 slight. — Dr. Perrine. 



1904. May 19; San Francisco. 



Niles; 1:30 a. m. — Wm. Barry. 



1904. June 3; Imperial. 



1904. June 22; Lick Observatory; 11:25:53 (?). Slight. R.-F. I, lasting 

 2 or 3 seconds.— C. D. P. 



1904. June 26; Cuyamaca. 



1904. July 6; Branseomb, Eureka. Light earthquake reported to have oc- 

 curred in early morning. Barometer about 29:96, temperature 

 about 54°. 



19004. July 9; Lick Observatory; 12:34:40 p. m. Vertical jolt followed by 

 sliaht east and west tremors. 



