, ^^AJoJr^.'. 



64 SMITHSONIAX MISCELLANEOUS COLLECTIONS 



1906. November 22; Isabella; 10: 45 p. m. 

 (Wcnwood; 3:53 p. m. 



1906. November 25; San Fraucisco; 1:15 p. m. Very light. 



1906. November 26; San Fraucisco; 1:50 a. m. Very light. 



1906. November 26; American steamer "Newport." Position 14° 41' N., 

 92° 36' W. Time 10:27 p. m. Felt sharp shock lasting about 8 

 or 10 seconds. Shook the steamer considerably, frightening pas- 

 sengers. Weather clear, barometer 29:24, temperature 83, tem- 

 perature of water S3 and sea smooth. — W. J. Russell and A. Koppe. 



1906. December 6; San Luis Obispo; 10:40 ]). m. Duration 30 seconds; 

 from north to south. A second shock an half hour later. Felt also 

 at Santa Maria. 

 Tequisquito Rancho; 6:45 a. m. 



1906. December 7; San Miguel; 10:55 p. m. Followed by slight tremble for 

 15 soi'onds. 



1906. December 8; Idyllwild; 10:40 a. m. 



Mt. Tamalpais; 5:48:54 p. m. Light shock, lasting 2 seconds. 



1906. December 9; San Francisco; 3:20 a. ni. Intensity about TIT on R.-F. 



scale. Duration a few seconds; one marked wave from southwest 



to southeast. — A. G. McAdie. 

 Oakland, Chabot Observatory. Time 3:20:40 a. m.; duration 6 



seconds; direction northeast to southwest. — Prof. Charles 'Burck- 



halter. 

 Mills College; 3:20 a. m. — Josiah Keep. 

 Berkeley; Students' Observatory. Seismograph recorded heaviest 



shock since last June. Duration 6 seconds. Movement v^rom 



southwest to northeast. — Prof. A. O. Leuschner. 



1906. December 19; Cuyamaca; 3 p. m. 

 Escondido; 2:46 p. m. Light. 



1906. December 22; Calexico; 8:45 a. m. 



1906. December 23; Calexico; 4:55 a. m. 

 Cuyamaca; 4 a. m. 

 Fort Ross; 5:48 a. m. 

 Berkeley; 9:26:35 a. m. Seismograph recorded a distant shock; 



origin probably not less than 2,300 miles nor more than 4,000 



miles distant. — A. J. Champreux. 



1906. December 24; Napa; 2 a. m. Sharp jar. 



1906. December 25; Eureka; 8:18 p. m. Short. Tn some parts of city 

 \ibrations strong enough to upset vases. 

 Rohnerville; 8:15 p. m. 



1906. December 28; Lytle Creek; early morning. Light. 



