FIFTH REPORT OF THE DIRECTOR I908 



25 



of the records are as follows : latitude, n. 42 ° 39' 6" ; longitude, 

 w. 73° 45' 18"; bight above sea level, 85 feet; weight of each 

 pendulum including arm 11.283 kilograms; distance of center of 

 gravity from rotating axis, 84.6 centimeters ; period of pendulums 

 approximately 30 seconds ; multiplying ratio 10. The machines 

 have no artificial damping apparatus. 



RECORD OF EARTHQUAKES AT ALBANY STATION, OCTOBER I, I907 TO 



OCTOBER I, I908 



Standard time 



Date 



.Beginning 

 preliminaries 



Beginning 

 principal 

 part 



Maximum 



! Max. 

 End ampli- 

 tude 



1907 

 Oct. 16. 

 Oct. 20. 

 Dec. 30 . 



1908 

 Feb. 1 

 Mar. 26 

 Mar. 26 

 May 15 

 Aug. 13 

 Sept. 21 



h. m. 



9 04 a. m. 



11 36 p. m. 



12 32^ p. m. 



m. 



16 



6 20 p. m. 



6 09 h p. m. 

 10 53+ p. m. 



3 47 a. m. 



7 55 P- m. 

 2 01 a. m. 



6 

 6 

 1 1 



3 

 8 



43 



32 

 24 

 08 



55 

 03 

 12 



45 



h. m. 



IO OO 

 I 30 

 I 30 



7 

 8 

 12 

 4 



30 

 15 

 00 



30 

 49 

 2 3 



mm. 

 I50 



DO 



5 



When the amplitude was less than I millimeter as a maximum, 

 it has not been given. 



October 16. A record of a microseism which appears to have 

 been transmitted around the globe. It was reported by many of the 

 foreign stations. Judging from the local tracing, the focus was 

 approximately 5000 miles distant in a direction south of west, 

 somewhere between the Hawaiian islands and the coast of Mexico. 

 It was undoubtedly submarine. Slight shocks were reported from 

 California on the same date. 



October 20. Slight wave motion extending over a period of 

 two hours. Also reported by the stations on the Isle of Wight 

 and at Laibach, Austria. The focus seems to have been in cen- 

 tral Asia, probably in Bokhara where several towns were badly 

 shaken and damaged. 



December 30. A severe disturbance, perhaps from the same 

 zone as the earthquake of October 16. The origin is estimated 



