EAETHQUAKES ON THE PACIFIC COAST 219 



1893. April 13; Humboldt Ligrlitlionse; 5:12 a. m. 



A severe shock lasting 10 or 13 seconds. Direction N. E. to S. W. 

 A second shock 3 or 4 minutes later. 



1893. April 21; San Rafael; lib. 15m. p. m. 



A slight shock. The vibrations were from north to south. 



1893. May 10; Dnarte (Cal.). 



A shock. 



1893. May 18; Santa Barbara; 4b. 35iu. p. m. 



A distinct shock. Buildings shook so that the people in the second 

 stories ran out (VI). No damage. The vibrations were from 

 northwest to southeast. 



1893. May 18; Point Conception Iiigbtbonse; 4:30 p. nt. 



Duration 10 sec, followed immediately by a second shock, duration 

 3 sec. Angel Island Lighthouse 10.01 a. m. (local time), duration 

 2 sec. Point Fermin Lighthouse, 4.35 p. m. (standard time), du- 

 ration 34 seconds. Moderate; light objects overthrown (VI?), 

 N. W. to S. E. 



1893. May 18; Berkeley; 9:45 a. m. 



Slight record; also noticed by laborers on the grounds. — Professor 

 Soule. 



1893. May 18; Saticoy; 4h. 36m. p. m. 



Three distinct shocks, lasting for forty-three seconds, with vibra- 

 tions from north to south, causing dishes to rattle and hanging 

 lamps to swing to and fro (VI). 



1893. May 18; San Pedro; 4b. 35m. p. m. 



Two distinct shocks of about six seconds' duration, from north to 

 south. 



1893. May 18; Santa Ana. 



The earthquake at 4.25 this afternoon was one of the hardest ever 

 felt here, but no damage was done. A few people above the 

 ground floors started for the streets, but it was a momentary 

 fright only (VI). 



1893. May 18; Lompoe. 



A shock was felt here at 4 o'clock this afternoon. The vibrations 

 seemed to be from east to west. No damage. 



1893. May 18; Ventnra; 4b. 35m. p. m. 



A very distinct shock, lasting about fifteen seconds. The oscilla- 

 tion was east and west. IMany people ran out of their houses 

 (VT?. VTT?). 



