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III.—On the British Earthquakes of 1890, with the exception of those felt in the Neighbourhood of Inverness

Published online by Cambridge University Press:  01 May 2009

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

Extract

The most remarkable earthquakes of the year 1890 were those felt in the district round Inverness between November 15 and December 14. These have been described in a separate paper. The remaining earthquakes were of comparatively slight intensity. Two or three were felt during the night of June 25–26 within a very small area to the north-east of Leeds, and one at least in Kintyre on July 24. Several slight shocks at Invergarry and Feddan, in Inverness-shire, complete the list so far as known to me, with the exception of a doubtful shock at Tulliallan in Perthshire on January 6.

It is hardly necessary to do more than refer here to the two supposed earthquakes felt on January 7 at and near Chelmsford. In a letter to “Nature,” I have given the evidence in full; and it appears to me sufficient to show that they were merely the reports of one of the great Woolwich guns.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1891

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References

page 450 note 1 Read before the Geol. Soc. on June 24.

page 450 note 2 “Nature” (Feb. 20, 1890), vol. 41, p. 369Google Scholar.

page 452 note 1 Trans. of the N. of Engl. Inst. of Mining Eng. (Newcastle-upon-Tyne), vol. 33, 1884, pp. 165174Google Scholar. See also a paper by the same author, On Some Recent Earthquakes on the Durham Coast and their probable cause,” Geol. Mag. (1885), 12. 3, Vol. II . pp. 513515Google Scholar.

page 452 note 2 In the neighbourhood of Tadcaster, the thickness of the Permian formation (Upper Marls to Lower Magnesian Limestone, inclusive) is 300 feet (Mem. Geol. Surv., Explanation of Quarter-sheet 93 S.W.).

page 453 note 1 See page 366 of this volume. Tayinloan is about one mile N. of Killean ; Whitehouse, 7 miles E. 15° S. of Kilberry; Bellochantuy, 7 ½ miles S. 10° W. of Killean.

page 454 note 1 At both places, the shocks are recorded by only one observer, and should therefore, strictly, be regarded as doubtful shocks; but I have placed them under a separate heading, as both observers have for several years diligently recorded the occurrence of every shock felt by them.