. The Quarterly journal of the Geological Society of London. Quart. Journ. Geol. Soo. Vol. LX, Fl. Vol. 60.] THE CAEENARVON EARTHQUAKE OF 1903. 233 17. The Caernarvon Earthquake of June 19th, 1903, and itsAccessory Shocks. By Charles Davison, , (Head June 22nd, [Plate XX-Map.]I, Introduction. During the nineteenth century, the county of Caernarvon wasvisited by at least fourteen earthquakes. Seven, if not more, of thesedisturbances arrived from distant centres, situated near Pembroke,Hereford, etc. ; but three or four were probably of local origin,their epicentres being
. The Quarterly journal of the Geological Society of London. Quart. Journ. Geol. Soo. Vol. LX, Fl. Vol. 60.] THE CAEENARVON EARTHQUAKE OF 1903. 233 17. The Caernarvon Earthquake of June 19th, 1903, and itsAccessory Shocks. By Charles Davison, , (Head June 22nd, [Plate XX-Map.]I, Introduction. During the nineteenth century, the county of Caernarvon wasvisited by at least fourteen earthquakes. Seven, if not more, of thesedisturbances arrived from distant centres, situated near Pembroke,Hereford, etc. ; but three or four were probably of local origin,their epicentres being either within or not far from the boundariesof Caernarvonshire. Ail of these local shocks, however, were ofslight intensity ; and, indeed, within the last five centuries, theredoes not seem to have been a single indigenous earthquake that canbe compared either in intensity or in extent of disturbed area withthat which, on June 19th, 1903, was felt over nearly the whole ofWales, the North-West of England, the Isle of Man, and several ofthe eastern counties of Ireland. In the investigation of this ea
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