INTRODUCTION. 
3 
and Rocca-di-Papa seismograms, on Plates 8 and 9, reproduced 
by his draughtsman. 
For the collection of evidence from all available parts of India 
where the earthquake was felt, a printed question form containing a 
request for "information on the following points was issued and 
distributed all over the area hkely to have been affected. The 
following is a reprint of the form ; — 
1, Time of occurrence, if possible exact 
Standard Time. 
2. Duration of shock in seconds 
3. Situation of observer, whether in or out 
of doors, asleep or awake, sitting or 
standing, etc. 
. 
4. Number of separate shocks, if more than 
one was felt. 
5. Were any unusual sounds heard either 
before, during or after the shock, and 
what did they resemble ? 
6. What was the intensity of the shock, 
whether strong enough : — 
(1) To be felt by everyone 
(2) To be felt only by person at rest 
(3) To make doors, windows, etc., or 
loose objects rattle, and floors 
creak. 
(4) To make hanging objects awing . 
(5) To move the observer's seat 
(6) To throw down loose objects 
(7) To crack the walls of building . 
(8) To cause greater damage (to be 
specified). 
This brings me to a question that I mentioned in my preliminary 
note on the earthquake, and is one which has been the cause of 
