Diogo Island known as Di'nem Island is an uninhabited volcanic island in the province of Batanes, the northernmost province in the Philippines. Also known as Di'nem Island in the native language,University of Georgia, Yami culture of Taiwan , Retrieved on 2010-08-24 Diogo is a lone rock rising out of the sea, with steep cliffs on every side. Dangerous currents make landing there practically impossible. It is an extinct volcano which has suffered heavily from marine erosion.Ferguson, Henry G. (1908-02). "The Philippine Journal of Science, Vol.3 Part 1", p.12. Manila Bureau of Printing, 1908.
Geography Diogo is a small, round island over high, about in diameter, lying southeastward of Itbayat Island. It is steep on the western side but has several small islets lying off its eastern side - the outermost being nearly distant.U.S. Coast and Geodetic Survey, Department of Commerce. United States Coast Pilot, Philippine Islands Part I, p. 39. Washington Government Printing Office, 1919.
Geology In 1903, Diogo Island was observed to be volcanic, discharging vapor and dark material; but another observation in 1908 indicated that the previous observations were instead small clouds that often hover around the mountain. It is listed as an inactive volcanoPHILVOCS, List of Inactive Volcanoes in the Philippines. Retrieved on 2010-08-24. by the Philippine Institute of Volcanology and Seismology.
Previous names In old Spanish maps, the name of the island was listed as Isla Diego or Rodonta.Algué, P. José (1899). Atlas de Filipinas, p. 39. Washington Government Printing Office, 1900.
See also
List of islands of the Philippines List of islands Desert island
References