Hy-Brasil has also been identified with Porcupine Bank, a shoal in the Atlantic Ocean about 200 kilometres (120 mi) west of Ireland[10] and discovered in 1862. As early as 1870 a paper was read to the Geological Society of Ireland suggesting this identification.[11] The suggestion has since appeared more than once, e.g., in an 1883 edition of Notes and Queries.[12]