On the Pembroke Earthquakes of August, 1892, and November, 1893

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Abstract
The Essex earthquake, one of the strongest ever recorded in this country, occurred on April 22nd, 1884. Since that time the most important shocks are those which were felt, principally in Pembrokeshire and the surrounding counties, on August 18th, 1892, and November 2nd, 1893. I propose in this paper to give a brief account of the nature and probable origin of these earthquakes, as well as of the slighter shocks which preceded and followed them. Owing to the large number of observations (nearly 2000) which I have collected, it is impossible for me to quote the authority for every statement here made, or to present the evidence in any detail. But, in offering my hearty thanks collectively to the numerous ladies and gentlemen who by their kindness have made this investigation possible, I should like to mention how indebtedly I am indebted to Prof. Lapworth for frequent advice and assistance; to Mr. Marr and Mr. Teall for information with regard to the geology of the epicentral district; and to Mr. T. Mann Jones, F.G.S., Mr. H. Cecil Moore, Mr. Harold J. E. Peake, Mr. O. M. Prouse, F.G.S., Mr. G. J. Symons, F.R.S., and especially to the Rev. W. M. Morris, formerly of Cresswell Quay, near Pembroke, for valued aid in collecting additional records.My obligations to the last-named gentleman will be obvious when I state that he visited for this purpose nearly all parts of Pembrokeshire, and by his skill in cross-examining observers extracted details which could not have been

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