It approximates to the southern extremity of the Pontesford-Linley geological fault , which trends approximately to Pontesford . On 2 April 1990 , the Pontesford-Linley Fault registered an earthquake with a magnitude of 5.1 on the Richter scale , known as the Bishop 's Castle earthquake
Bishop 's Castle earthquake
1990 Bishop's Castle earthquake
Linley, Shropshire