187R.] 



Occurrence of Earthquakes in Assam. 



during 1877. Communicated hy Col. K. H. Keatinge, 

 Chief Commissioner. 



Duration. 



Extent of damage if any, and general remarks. 



20 to 25 seconds, 



A second. 



No damage, two distinct shocks and preceded by loud 



rumbling noise. 

 No damasre. 



Sibsagar, Sylhet, Cachar, Naga Hills, Garo and Khasi Hills. 



4 seconds. 

 7 seconds. 



No damage. 

 Do. 



Lakhimpur, Sylhet, Cachar, Naga Hills, Garo and Khasi Hills. 



3 seconds. 

 30 seconds. 



No damage. Slight shock. 

 Do. do. 



Sibsagar, Lakhimpur, Sylhet, Cachar, Naga and Khasi Hills. 



1877. 



10 seconds. | No damage. 



Sibsagar, Lakhimpur, Sylhet, Cachar, Naga Hills, and Garo Hills. 



5 seconds. | No damage. 



Sibsagar, Lakhimpur, Sylhet, Cachar, Naga and Garo Hills. 



1877. 



3 seconds. | No damage. 



Sibsagar, Lakhimpur, Sylhet, Cachar, Naga Hills and Garo Hills. 



1877. 



12 seconds. 

 45 seconds. 

 10 to 12 seconds. 



No damage. 



No damage. 



Two distinct shocks. Severe and very marked. No 

 damage. Declared by Deputy Commissioner to be the 

 severest felt since the great one in September LS75. 

 The shocks were not preceded by the usual rumbling 

 noise and were not quick and jerky, but long and undu- 

 lating. 



No damage. One sharp shock. 



5 seconds. 



Sylhet, Cachar, Naga Hills and Caro Hills 



30 seconds. 

 6 to 8 seconds. 



No damage. 



No damage. Two clear distinct shocks at intervals of 3 

 to 4 seconds between the two shocks. Very marked, but 

 not severe ; not preceded by the usual rumbling noise. 



