of El Hierro in the Canary Islands, Marine Geology 177 (2001), 271-93 (PDF) M. R. Gee, et al.: Offshore continuation of volcanic rift zones, El Hierro, Canary Islands, Journal of Volcanology and Geothermal Research, 105 (2001), 107 - 119 (PDF) Longpre, M.; Troll, V.; Hansteen, T. H.; Anderson, E.: Ankaramitic Lavas and Clinopyroxene Megacrysts From the Tanganasoga Volcano, El Hierro Island (Canary Archipelago), American Geophysical Union, Fall Meeting 2009, abstract #V51A-1662, Publication Date: 12/2009 (Abstract) N. A. Stroncik, et al.: The magmatic plumbing system beneath El Hierro (Canary Islands): constraints from phenocrysts and naturally quenched basaltic glasses in submarine rocks, Contrib Mineral Petrol (2009) 157:593–607, DOI 10.1007/s00410-008-0354-5 (PDF) J. J. Hernandez, et al.: Volcanic caves in El Hierro island, Canary Islands, Spain (PDF) J. de Nuez Pestana, e al.: Geology and volcanology of La Palma and El Hierro, western Canaries , Estudios geológicos, Vol. 57 no.56, 175-273 (Abstract) Serie Sísmica de El Hierro, Grupo de Investigación de Ingeniería Sísmica, Universidad de Madrid, act. 29.9.2011 (Spanish) Photo gallery of the El Hierro volcanic eruption. Instituto Geográfico Nacional, Madrid. Archived 2012-11-14. Retrieved 2018-10-26. 21st-century volcanic events El Hierro 2011 in Spain 2012 in Spain 2011 disasters in Spain 2012 disasters in Spain Volcanism of the Canary Islands El Hierro Volcanic eruptions in Spain Submarine eruptions Surtseyan eruptions