390 DR. CHARLES DAVISON ON THE [Aug. 1902, 
October Ist, 5.6~.m.: Holm.—A shock of intensity less than 4, 
accompanied by a sound as of distant thunder. 
October 2nd, 2.7 p.m. : Holm.—The same. 
p. October 6th, 4.24 a.m. 
Intensity, 5. Number of records 2, from 2 places. 
At Dochgarroch two vibrations were felt (intensity 5), without 
any sound. The shock was also felt at Holm. It is probable that 
the epicentre was not far from Dochgarroch, and that the depth of 
the focus was small. 
October 9th, 7.40 p.m. : Dalarossie.—A shock (intensity probably 
5), preceded, accompanied, and followed by a sound like that of a 
light carriage passing. 
October 12th, 8.40 a.m.: Dochgarroch.—A single vibration (in- 
tensity 5), accompanied by a rumbling sound. 
October 12th, 12.56 p.m.: Holm.—A slight shock. 
October 12th, about 4P.u.: Inverness.—A shock, as if a heavy 
body fell against the house and was then dragged along the side 
of it. 
October 13th, 12.30 p.u.: Dalarossie.—A slight sound, without 
any tremor. 
g- October 13th, 4.24 P.m. 
Intensity, probably 4; epicentre, lat. 57° 26°1' N., long. 4° 18:0’ W.. 
Number of records 7, from 5 places (Pl. XII). 
The records are too few to determine the boundary of the 
disturbed area; but it is clearly elliptical in form, with its axis. 
approximately parallel to those of the isoseismal lines of previous 
shocks. The length of the curve, as drawn (Pl. XII), is 8 miles, the 
width 51 miles, and the area contained by it about 35 square miles. 
The centre is about a quarter of a mile south-east of Dochgarroch, 
and a tenth of a mile from the fault-line. The shock consisted of 
two or three vibrations, and was accompanied by a loud report, 
compared by an observer near Dochgarroch to a shot from a gun, 
followed by a sound as of the ball passing through the air. At 
Muirtown, which is near Inverness and close to the line of fault, 
the sound resembled that of a heavy vehicle approaching. The 
focus was about 2 miles in length, and lay at a very small depth. 
October 13th, about 5.30 P.u.: Holm.—aA very distinct shock. 
October 14th, 1 a.u.: Inverness.—A shake, preceded by a sound 
like the soughing of the wind through trees. 
October 14th, 5 p.u.: Dochgarroch Locks.—A shock (intensity 
less than 4), accompanied by a sound like that of a heavily-loaded 
lorry running on a country-road. 
October 22nd, 5.30 a.m.: Drumnadrochit.—A distinct tremor. 
