86 EAETHQUAKES ON THE PACIFIC COAST 



1870. Angnst 9; midniglit; V. 



Mendocino; duration 10 seconds. — B. Ms. 



1870. September 2; 3 a. m. 



Monterey, Cal. — Fuchs. 



1870. December 4; 2 a. m. 



The bark Amethyst felt a severe shock of earthquake 4") miles W. 

 S. W. by compass from Cape Mendocino. — From Pacific Coast Pilot, 

 communicated by Professor George Davidson, U. S. C. and G. 

 Survey. 



1870. 



Moleje, Lower California, five severe shocks during the year. — 

 C. G. K. 



1871. Febrnary 6; 7:17 a. m. 



Tw^o shocks, San Francisco, Cal.; also at San Jose and Santa Cruz. — 

 Mining and Scientific Press. 



1871. February 9; 



San Francisco, Cal. — S. F. D. 



1871. Mareb 3; 1:051^ p. m. 



Severest for several years in Eureka, Humboldt County, Cal. (VIT?); 

 duration, twenty seconds; another shock twenty-five minutes later; 

 another, 7.30 p. m. This shock was even more severe to the south J 

 and east, at Ehonerville, Hydesville, in the same county (VIII). — " 

 B. Ms. — S. F. Call, March 15, 1871. Chimneys thrown down at 

 Ehonerville and Petrolia (VIII). The oscillations lasted twenty 

 minutes. — Appleton's AnntKil Cyclopedia, 1871. 



1871. March 2; VIII. 



Light-keeper's house at Mendocino, Cal., injured. — B. Ms. — /S. F. Call, 

 March 28, 1871. 



1871. Marcb 6; III. 



Weak shock in Carthago, Inyo Coimty, Cal. — Fuchs. 



1871. April 3; 7:49 p. m.; IV. 



Shock at San Francisco, Cal.— T. T. Two light shocks.— Fuchs. Also 

 in Contra Costa County. — B. Ms. 



1871. April 23; III. 



Three light shocks at S. F., Cal.— S. F. D. 



1871. May 19; 



Shocks in Washington Territory, and on Mt. Raynier. During the 

 whole month shocks on the coast. — Fuchs. Tacoma. — P. 



1871. June 6; about 9 p. in.; V or more severe. 



Two strong shocks at Bear Valley, California. — Fuchs, 



