214 EARTHQUAKES ON THE PACIFIC C0A8T 



The Ewing instrument shows a motion east and west in the hori- 

 zontal, but none in either the north or south or vertical direc- 

 tions. The greatest amplitude of the Ewing record is 3 mm., the 

 shock lasting fifteen to twenty seconds. Mr. Colton's record 

 shows that the first motion of the earth was to the east. 



1893. January 24; Winters; 91i. 40iu. p. m. 



1893. January 25; Winters; about 1 a. ni. 



A shock last night at 9.40 and another about 1 this morning. Both 

 were light, but pronounced enough to scare the timid. 



1893. February 15; Berkeley; 3U. 15m. a. m. 



Slight records. — Professor Soule. 



1893. February 16; Berkeley, 



Slight records. — Professor Soule. 



1893. February 16; Sydney, Washington. 



II.— P. 



1893. February 21; Fairfield. 



A heavy shock at 8.15 p. m. to-day. 



1893. February 21; Suisnn. 



A sharp shock at 8.16 o'clock this evening. 



1893. February 21; Dixon. 



Quite a severe shock at 8.20 o'clock this evening. 



1893. February 22. 



It was felt at San Kafael at 8.15 (a. m.? p. m.?). — Professor Soule. 



1893. March 3; Grass Valley. 



" A perceptible shock " at 6.15 a. m. 



1893. March 3; Carson City; 12:05 a, m. and 6:40 a. m. 



E. and W.— C. W. F. 



1893. March 3; Nevada City; 6:40 a. m, 



Iowa Hill, 6.38 a. m. 



1893. March 6; Umatilla, Oregron. 



A succession of shocks were felt here to-night. One of the walls 

 of a large stone building was thrown down hy the force of the 

 shock (VII?, VIII?). 



1893. March 12 and 13; Berkeley. 



Slight records. — Professor Soule. 



1893. March 18; Shelter Cove. Cal. 



Thirteen shocks, N. and S.— Cal. S. W. Service Bulletin. 



