EARTHQUAKES ON THE PACIFIC COAST 281 



1893. June 30; Vallejo; 51i. 30iii. a. m. 



Two pronounced shocks created considerable excitement for the 

 few moments they lasted. The first shock was felt 'at 5.30 o'clock, 

 and was closely followed by the second, which awakened people 

 and was accompanied by a distinct rumbling noise (V?, VI?). 

 The vibrations lasted about two minutes. No damage was done 

 beyond the breaking of crockery. 



The shock was quite noticeable on !Mare Island. 



1893. June 30; San Rafael; 5Ii. 35ni. a. m. 



A heavy earthquake. The shock lasted upwards of seven seconds. 

 The vibrations were from north to south. Some glassware in 

 some of the hotels in and around town w^as broken (V?, VI?). 



1893. June 30; Petaluma; 5:30 a. m. 



A slight shock. The vibration was from north to south and was of 

 short duration. 



1893. June 30; Niles; 5:30 a. m. 



N. to S., duration 10 sec. 



1893. June 2C-S0. 



The San Francisco Gall of July 7 contains a story of terrible earth- 

 quake shocks and other calamities experienced on San Nicolas 

 Island (one of the Santa Barbara group, off San Diego, some 

 70 miles) as brought by the caj)tain of the steamer Jennie 

 Griffin, but further investigation renders it very doubtful whether 

 any great disturbance occurred. 



1893. July 1; Lakeport. 



A shock. 



1893. July 13; Albniinercine, IV. Mex. 



Three shocks of earthquake that shook, from west to east, every 

 house in the city and vicinity and every movable article were 

 distinctly felt here this morning between 6 and 7 o'clock. The 

 chandeliers in the Commercial Club, a stone structure, rocked 

 for at least ten minutes, and the early risers at the club became 

 very much agitated (VI?). A number of clocks throughout the 

 city stopped (VI?). The wave came from the west. 



1893. Jnly 12 and 22. 



Shocks at Areata and Hydesville, Cal. 



1893. July 21; Napa City. 



A shock. 



1893. July 22; Cape Mendocino Liglitlionse; 1:20 a. m. 



Light shock. (Ms. communicated by U. S. Geological Survey.) 



1893. July 24; Tomales (Marion Co., Cat.). 



A shock. 



