EARTHQUAKES OK THE PACIFIC COAST 57 



Keiitfiekl, Salinas. 

 1906. May 14; Campbell. 



1906. May 1-1; San Francisco; 5:21 p. m. and again at 9:03 p m — A G 

 McAdic. 



1906. May 15; Lick Observatory; 11:56:46-48 a. m. R.-F. III. Dura- 

 tion 5 seconds ending with a jolt. — Mrs. R. G. A. 



1906. May 16; Heber. 



Ferndale; 5:20 a. m. Moderate shock; 3 seconds.— J. A. Shaw, C. E. 



1906.— May 17; Oakland, Chabot Observatory, 8:20 p. m. 



Napa; 8:21 p. m.— W. H. Martin. 



San Francisco; 11:05:45 a. ni. and again at 8:24:30 p. m.— A. G. 

 McAdie. 



Lick Observatory; 8:21:24 p. m. Mrs. T. called attention to shock 

 3 or 4 seconds at least before I noticed it. I first felt it at 8:21:24 

 light for 2 seconds then heavy for 2 to 3 seconds, heavy part be- 

 ginning 8:21:26. Possible error 3 seconds. — Dr. W. W. Campbell. 



Campbell, Gonzales, Imperial, Livermore, San Luis Obispo. 



Ferndale; 3:40 a. m., and 2 more before 6 a. m. — J. A. Shaw, C. E. 



1906. May 18; Blocksburg, Ft. Bragg. 



San Francisco; 5:23 a. m. Light shock. — A. G. McAdie. 

 Ferndale; 8:55 p. m. Slight shock, 2 seconds. — J. A. Shaw, C. E. 



1906. May 19; Lick Observatory; 2:32:10 a. m. E.-F. III. Slight motion 

 east and west. — Dr. Campbell. 



Blocksburg, Ft. Bragg, Campbell. 



Ferndale; 4:47 a. m. Very slight shock. — J. A. Shaw, C. E. 



1906. May 20; Ft. Bragg. 



1906. May 22; Ferndale; before daylight. Very light. — J. A. Shaw, C. E. 



1906. May 30; San Francisco; 12:37:20 (?). Very feeble. — A. G. McAdie. 



1906. May 31; San Francisco; 5:50 a. m. — A. G. McAdie. 

 Napa; 5:45 a. ni. — W. H. Martin. 



1906. June 4; Oakland, Chabot Observatory. Time 11:50:50 p. m. Dura- 

 tion 3 seconds; direction southwest to northeast; intensity III. 



Niles; 11:55 p. m. 



