Articles | Volume 16, issue 8
Research article
22 Aug 2016
Research article |  | 22 Aug 2016

New study on the 1941 Gloria Fault earthquake and tsunami

Maria Ana Baptista, Jorge Miguel Miranda, Josep Batlló, Filipe Lisboa, Joaquim Luis, and Ramon Maciá

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Cited articles

Antunes, M. T.: Notas Acerca do Sismo de 25 de Novembro de 1941, 4th Congress of Portuguese Association for the Advance of Sciences, 18–24 June 1942, Porto, 161–172, 1944.
Argus, D. F., Gordon, R. G., DeMets, C., and Stein, S.: Closure of the Africa-Eurasia-North America plate motion circuit and tectonics of the Gloria fault, J. Geophys. Res., 94, 5585–5602,,1989.
Baba, T., Cummins, R., and Takane, H.: Compound fault rupture during the 2004 off the Kii Peninsula earthquake (M 7.4) inferred from highly resolved coseismic sea-surface deformation, Earth Planets Space, 57.3, 167–172, 2005.
Baptista, M. A. and Miranda, J. M.: Revision of the Portuguese catalog of tsunamis, Nat. Hazards Earth Syst. Sci., 9, 25–42,, 2009.
Baptista, M. A., Miranda, J. M., and Luis, J. F.: In search of the 31 March 1761 earthquake and tsunami source, Bull. Seismol. Soc. Am., 96, 713–721,, 2006.
Short summary
This is a new study on the 25 November 1941 earthquake and tsunami, Northeast Atlantic. The tsunami was recorded from Morocco to the UK. We present a new epicentre location and use tsunami data to compute the tsunami source. Results show that the earthquake ruptured a segment of the Eurasia–Nubia plate boundary. Other segments of the plate boundary may rupture and generate similar events. These conclusions are important for tsunami hazard assessment in the Northeast Atlantic.
Final-revised paper