Catalogue of Recorded Earthquake Shocks 

 ON THE Pacific Coast, 1769 to 1897.* 



1769. April 11; 



San Diego, Cal.— H. H. B. 



1769. July 38; VI? 



Four violent shocks in the Los Angeles region. Many more shocks 

 were felt during the following week. — H. H. B. 



1770. 



At San Gabriel; which was called El Talle de los TemUores by Father 

 Junipero Serro in a manuscript of 1778. — B. Ms. 



1786. X. 



PavlofE, Alaska, with volcanic eruption. — P. 



1788. 



Shumagin, Alaska, with tidal wave.- — P. 



1788. July 27; 



Sannak Island, Alaska, overflowed by tidal wave. — P. 



1788. July 27; 

 Ailiaska, Alaska, tidal wave. — P. 



1790? X. 



The Indians state that about eighty years before the shocks of 1872, 

 March 26, in Inyo County, a similar earthquake occurred in the 

 same region.^B. Ms. — Alta, April 6, 1872. 



1796. May; 



Bogoslov, Alaska, with eruption. — ^P. 



1800. October 11 to October 31; 



There were shocks from the eleventh to the thirty-first of October, 

 sometimes six in a day, the most severe on the eighteenth, at San 

 Juan Bautista. — H. H. B. Shocks October 11; another October 18, 



*The Roman numerals I to X placed next after the dates represent the 

 intensities on the Rossi-Forel scale as nearly as I have been able to assign 

 them after a careful reading of the original accounts. These data are, of 

 course, only approximate. ■ 



