74 EAETHQrAKES ON THE PACIFIC COAST 



1868. June ? 



San Diego? Earthquake wave on Pacific Coast. — -B. Ms. — S. F. 

 Bulletin, June 13, 1868. 



1868. Jnne 2; 9:30 a,, m.; VII. 



Ver}' severe, Downieville and Forest City. — S'. F. Bulletin, June 10. 



1868. 



1868. July 24; III. 



Slight sliock at S. F., Cal. — Appleton's Afirmal Cyclopcedia, 1868. 



1868. July 24; 6:30 p. m.; VII. 



Severe shock in Tulare County, Cal.— /Sf. F. Bulletin, July 25, 1868. 



1868. Augrust 2; 



Los Angeles (several shocks). — B. Ms. 



1868. August 9; about lO p. m. 



S. F., Cal.— S. F. D. 



1868. Augrust 13; 



The earthquake at Arica, Peru, on this date, produced tidal waves 

 felt all through the Pacific, and registered at S. F. and San 

 Diego. Velocity of the sea-wave 369 (or 348) miles per hour. — 

 J. E. Hilgard in Amer. Jour. Sci., vi. p. 77. Tidal wave sixty feet 

 high in Southern California; San Pedro Bay. — R. A. Proctor, in 

 Nature. 



1868. Angrnst 24; 



Santa Cruz, Cal.— /Sf. F. Bulletin, September 3, 1868. 



1868. Angrnst 24; 11:30 a. m. 



S. F., Cal.— S. F. D. 



1868. Ans:nst 28; about 1 a. m. 



S. F., Cal.— S. F. D. 



1868. Angrnst 31; VI or more severe. 



Severe shock at Santa Cruz, Cal., lasting ten or fifteen seconds. — 

 B. Ms. 



1868. Augfust-September 28; 



It is the opinion of Fuchs (p. 10) that a period of earthquakes in the 

 Sierra Nevadas began early in August, 1868. On September 4, 

 5, 6, there was a great earthquake with more than five hundred 

 shocks, and the period lasted till September 28. J 



1868. September 3-28; IX. 



" Kern Eiver, Inyo County, Cal., September 3, during the night fre- 

 quent rumbling noises and tremulous motion of the earth. Sep- 

 tember 4, 8 a. m., severe shock; from 8 to 9 a. m., forty-one dis- 



