Zitellini N. et al., The tectonic source of the 1755 Lisbon earthquake and tsunami. Anali di Geofisica 1999; 42(1): 49. Online PDF. Arxivat 11 October 2007[Date mismatch] a Wayback Machine. 27 May 2009.
«The Lisbon Earthquake» (en anglès britànic). VolcanoCafe, 06-05-2016. [Consulta: 23 maig 2020].
web.archive.org
Zitellini N. et al., The tectonic source of the 1755 Lisbon earthquake and tsunami. Anali di Geofisica 1999; 42(1): 49. Online PDF. Arxivat 11 October 2007[Date mismatch] a Wayback Machine. 27 May 2009.