EARTHQUAKES ON THE PACIFIC COAST 195 



The duplex seismograph gives a tracing of the shock at 7.14.59 

 p. m., with a displacement of the pen in an east and west direc- 

 tion of 4.8 mm., and north and south of 2 mm. It also gives a 

 tracing of the shock occurring- at 9.45 a. m., with a displacement 

 of the pen in an east and west direction of 6 mm., and in a north 

 and south direction of 3.2 mm. 



1892. April 21; Berkeley. 



Principal vibrations N. and S. and E. and W. Duration 10 sec. — 

 Professor Soule. 



1892. April 21; Car.son City, Nevada. 



Prof. C. W. Friend sends tracings of two shocks occurring at 9.44 

 a. m. and 7.17 p. m., the former showing a displacement of the 

 pointer of 24 mm. in a north and south direction, and of 25 mm. 

 in an east and west direction, the latter having a displacement of 

 the pointer of 4.5 mm. in a north and south direotion, and 6 mm. 

 in an east and west direction. 



1892. April 21; Mills College. 



Tracings from this station at 9.46 a. m. give a displacement of the 

 pointer in an east and west direction of 23 mm., and in a north 

 and south direction of 16.5 mm. The tracing at 7.15 p. m. show^s 

 a displacement in a northwest and southeast direction of 14 mm., 

 and in a northeast and southwest direction of 7.5 mm. 



1892. April 21; Oakland, 



Chabot Observatory. — Mr. Burckhalter reports a shock at 9.44 

 a. m., P. S. T., as timed by Mr. F. H. McConnell, lasting fifteen 

 seconds, but doing no damage. The tracing shows a displace- 

 ment of the pointer in an east and west direction of 14.5 mm., 

 and in a north and south direction of 11 mm. Another shock is 

 also reported as occiirring at 7.15 p. m. ± 2 m., with a duration 

 of five or ten seconds, and causing no damage. The total dis- 

 placement of the pointer in a southeast and northwest direction 

 of 8.5 mm., and in a northeast and southwest direction of 3 mm. 



1892. April 21; Winters. 



" The state of affairs in Dixon is bad enough, but in Winters it is 

 simply deplorable. All the lights are out for fear of fire; the 

 hotels and even the saloons are closed, and at this moment a 

 crowd of haggard-looking men and terror-stricken women are 

 standing around a car on Railroad Avenue awaiting the distribu- 

 tion of tents. No one dreams of sleeping in any brick house, and 

 few^ of the frame houses are safe. 



" Two tourist cars came on the same train, having been sent by 

 the railroad company from San Francisco for the accommoda- 

 tion of the homeless ones who cannot get a tent. The work of 

 setting up these tents is going on while I write. A few hand 



