• Source: 1906 Swansea earthquake

The 1906 Swansea earthquake hit near the town of Swansea, Glamorgan, Wales on 27 June. It was one of the most damaging to hit Britain during the twentieth century, with a small area reaching an intensity of VII on the Medvedev–Sponheuer–Karnik scale.




Location, date and time


At 9.45am on 27 June 1906, a powerful earth tremor was felt across much of South Wales, its epicentre being placed just offshore of Port Talbot. The quake, which struck just a few weeks after the devastating 1906 San Francisco earthquake, was felt as far afield as Ilfracombe, Birmingham and southwest Ireland.




Cause


Swansea is located near the southwestern ends of two major fault structures; the Neath Disturbance and the Swansea Valley Disturbance, movement on either of which or on any of several adjoining faults may have caused the quake.




Magnitude


The magnitude of the earthquake was measured at 5.2 on the Richter scale.




Impact


The earthquake was felt by many people, though recorded injuries were minimal: a young man, Thomas Westbury, and a three-year-old boy, Thomas Lewis, were hit by falling bricks and a girl was injured by the toppling of tin plates at Cwmavon. Reports told of bricks falling from chimneys across the city and the Mumbles lighthouse "rocked on its foundations."




See also


List of earthquakes in 1906
List of earthquakes in the British Isles




References






Further reading


Davison, C. (1907), "The Swansea Earthquake of June 27th, 1906", Quarterly Journal of the Geological Society, 63 (1–4): 351–NP, doi:10.1144/GSL.JGS.1907.063.01-04.25, S2CID 130838399
Davison, Charles (1906), "The Earthquake in South Wales", Nature, 74 (1914): 225–226, Bibcode:1906Natur..74R.225D, doi:10.1038/074225b0, S2CID 4059776




External links


Residents feel shaking in quake – BBC News

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