368 MIDDLEMISS : KANGRA EARTHQUAKE. 





time of day but given as the 14th (doubtless by mistake) was noticed 

 by a great number of people and doors rattled and houses shook. 



On June 18th and 21st occurred shocks felt jointly in Kulu and 

 the Simla-Dehra Dun areas. On the latter date at later hours also 

 occurred local shocks at Mount Abu (Rajputana). 



On July 21st was the next severe shock at 1*57 a.m. as given by 

 the Omori seismograph at Simla ; and felt as a smart shock at Bajau- 

 ra, Naggar, Dehra Dun, Kashmir, Rawal Pindi, Lahore, Mussoorie, 

 besides being reported from Delhi and Dalhousie and a wide area in 

 the Western Himalayas. This shock is remarkable as having been 

 severe at Kangra and lasting 5 to 10 seconds. It is seldom that 

 aftershocks have been recorded from Kangra. This may be partly 

 because of the absence of observers there, but it may also be because 

 the original earthquake of 4th April did its work so well that no subse- 

 quent settlements at that part of the axial centrum were generally 

 necessary. On the other hand the more numerous and severe after- 

 shocks that have been recorded from the opposite and deeper end of 

 that centrum in Kulu, point it out as being generally unsatisfied by' 

 the original quake especially as regards the more near the surface 

 layers above it. which took a long time to work of! their secondary 

 conditions of irregular strain resulting from the first deep-seated 

 discharge. The shock of the 21st was recorded by the Barrackpore 

 (near Calcutta) H. F. Magnetograph at 2h. 3m. 45s. standard time* 

 according to a note kindly furnished me by Capt. Thomas, R.E., who 

 also felt the tremor personally. 



August is not remarkable for many aftershocks from our area, 

 but elsewhere seismicity was active : on the 16th, Rajputana was 

 shaken about 3-45 a.m. followed by 3 later shocks recorded on the 

 same day at Mount Abu. The 17th was the day of the big Valpar- 

 aiso world-shake and there was one recorded from Assam on the 31st. 



September and October were equally uneventful, November and 

 December provided a more numerous crop of aftershocks recorded in 

 Kulu and Simla, but without many of them being synchronous, 



