1906 Swansea earthquake

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1906 Swansea earthquake
1906 Swansea earthquake is located in the United Kingdom
1906 Swansea earthquake
UTC time??
ISC event
Local date27 June 1906 (1906-06-27)
Local time09:45
Magnitude5.2 ML
Epicentre51°35′26″N 3°47′55″W / 51.59055°N 3.79859°W / 51.59055; -3.79859Coordinates: 51°35′26″N 3°47′55″W / 51.59055°N 3.79859°W / 51.59055; -3.79859
Areas affectedEngland

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.[1]

Location, date and time[edit]

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.[2]


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.


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


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, being hit by falling bricks and a girl injured by the toppling of tin-plates at Cwmavon. Reports told of bricks falling from chimneys across the city[3] and the Mumbles lighthouse "rocked on its foundations." [4]

See also[edit]


  1. ^ "Residents feel shaking in quake". BBC News. 6 June 2009.
  2. ^ "The day an earthquake hit Swansea". BBC News. 27 June 2006.
  3. ^ http://www.swansea.gov.uk/index.cfm?articleid=13128
  4. ^ James McLaren (27 June 2012). "After 1906 Swansea earthquake, is Wales due another?". BBC News. Retrieved 27 June 2012.