EARTHQUAKES OK" THE PACIFIC COAST 61 



1863. October IS; 



Yuba City, Sutter County, Cal.— B. Us.—S. F. Bulletin, October 22, 

 1863. 



1863. December 19; 2:38 p. m.; VIII? 



Severe shock at S. F., Cal., followed a few seconds later by one more 

 severe. Probably the severest shock since 1855. — B. Ms. — [1856?]. 



1863. December 19; 2:45 p. m,; VII. 



Very severe shock at San Jose and Santa Clara. — B. Ms. — Alia, De- 

 cember 20, 1863. 



1863. December 23; 2:40 p. m.; V. 



Strong shock, 5-6s., in S. F., and San Jose, Cal.— Perrey. 



1863. December 30; abont 3 a. m.s V. 



Strong shock in S. F., Cal. — Perrey. Several shocks.— S. F. D. 



1864. February 26; Oh. 40m., and 3h. 10m., 5h. 47m.; VI. 



Shocks in San Francisco, Visalia, San Jose, and Santa Clara. — J. B. 

 T. Severe at Santa Cruz.— B. Ms. Severe in S. F.— B. Ms.— 

 Perrey. Very severe at Santa Cruz (VI). — Mr. Sawin's Diary. 



1864. Marcb 5; 8U, 49m. 



A shock of considerable violence at San Francisco, Santa Rosa, Santa 

 Cruz (V), Stockton, Petaluma, Santa Clara (VI), and San Jose 

 (VI). At the last named place the shock was most violent and 

 lasted about two minutes. Very severe at Visalia (VI). — J. B. T. 

 Light shock at S. F., 8.50 a. m.— T. T. 



1864. Marcli 5; V. 



Santa Cruz. Door bell rung. — Mr. Sawin's Diary. 



1864. 8:30 a. m. (Date?) 



Tuolumne, Cal.— B. Us.S. F. Bulletin, March 10, 1864. 



1864. March 10; 14b. 8m.; IV. 



A light shock at San Francisco. — J. B. T. 16h. 30m., a second 

 shock.— J. B. T. 



1864. March 11; 9:15 a. m.; III. 



Slight shock at S. F., Cal.— S. F. D. 



1864. March 20; 23h. 45m.; III. 



A light shock in San Francisco. — J. B. T. 



1864. March 22; 13h.; V. 



Smart shock at Stockton, Cal.— J. B. T.— S. F., Santa Clara — 

 Perrey. 



