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VII.—On the Comrie Earthquake of July 12, 1895, and on the Hade of the Southern Border Fault of the Highlands

Published online by Cambridge University Press:  01 May 2009

Charles Davison
Charles Davison
Affiliation:
Mathematical Master at King Edward's High School, Birmingham.
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Extract

In Mallet's great “Catalogue of Recorded Earthquakes,” the name of Comrie first appears under the date September 2, 1789, and, from that time until the present day, the village has been widely known as a centre of earthquake shocks and sounds. For many years past, however, they have become more and more rare: the shocks, when they have occurred, have been exceedingly slight, and the disturbed areas correspondingly small. Several persons living but a few miles from Comrie inform me that they have never felt a shock; and those who reside in the village itself often speak of “hearing” the earthquakes, as if the vibrations did not generally exceed that limiting degree when they are perceptible only to the ear.

Type
Original Articles
Information
Geological Magazine , Volume 3 , Issue 2 , February 1896 , pp. 75 - 79
Copyright
Copyright © Cambridge University Press 1896

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References

page 76 note 1 Authorities.—Aberuchill, Mr. M. M'Intosh; Ardvorlich, Col. J. Stewart; Auchnafree, Mr. A. Richards; Balmuick, Mr. T. Boston; Bishopsfauld, Mr. T. K. Robertson; Braefordie, Mr. J. Stewart; Carroglen, Mr. T. Boston; Clathick, Capt. W. C. Colquhoun; Comrie, Mr. S. Campbell, Rev. W. Hall, Rev. A. C. Watt; Culty-Craggan, Mrs. Finlayson; Crieff, Mr. G. Straithairn; Dalchruin, Mr. W. Cairns; Dalchonzie, Miss Newbigging; Easter Ballindalloch, Mr. J. Campbell; Easter Dalginross, Mr. D. W. Kemp; Easter Dundern, Mr. P. M'Laren; Fairness, Mr. W. Bell; Foulis, Rev. T. Hardy; Garrichrew, Mr. J. McLaren; Gilmerton, Rev. G. Henderson; Glenample, Mr. T. Walters; Glenturret Lodge, Mr. T. Boston; Innergeldie, Mr. J. Craig; Laggan, Mr. D. Ewing; Lawers, Col. D. R. Williamson; Little Port, Mr. J. Morrison; Locherlour, Mr. S. Campbell; Madderty, Rev. L. C. M. Wedderburn; Ross, Mr. R. M'Laren; St. Fillans, Rev. T. Armstrong: Tyghnablair, Mr. P. M'Intyre; Tomanor, Mr. A. McNaughton; Wester Ballindalloch, Mr. T. Boston; Wester Dundern, Mr. P. M'Ara; Westerton, Mr. D. Keith Murray.—I beg to offer my hearty thanks to the above ladies and gentlemen, and also to Mr. J. Robertson, of Coupar Angus, who kindly sent me early notice of the occurrenc of the earthquake.

page 78 note 1 In a future paper I hope to enter more fully into this question, as well as to summarize the evidence in favour of the fault-slip theory of earthquakes.

page 78 note 2 The argument may also be stated as follows: The point D is that which is affected simultaneously by the disturbances proceeding from a larger part of the focus than any other point on the earth's surface.