1975 North Atlantic earthquake

1975 North Atlantic earthquake 1975-05-26 09:11:51 729431 iscgem729431 1975 05 26 10:11:51 North Atlantic 7.9 w y8.1 s y 33 km on 35.97 N 17.65 W Strike-slip Limited VI 2.1 m ft on The 1975 North Atlantic earthquake occurred on May 26 at 09:11 UTC. The epicenter was located in the North Atlantic, in an area between the Azores, Iberian Peninsula, and Morocco. It had a magnitude of Mw 7.9, or Ms 8.1.https://authors.library.caltech.edu/51337/1/jgrb3089.pdf Reevaluation of the Turn-of-the-Century Seismicity Peak Kanamori H. Hiroo Kanamori Abe K. Journal of Geophysical Research 1979 84 B11 6134 10.1029/JB084iB11p06131 1979JGR....84.6131K This was an intraplate earthquake that was located about 200 km south of the Gloria Fault, the presumed boundary between the African and the Eurasian plates. It had a right-lateral strike-slip focal mechanism and was unusually large for an oceanic strike-slip event.http://idl.ul.pt/sites/idl.ul.pt/files/docs/Kaabouben_et_al_2008.pdf On the focal mechanism of the 26.05.1975 North Atlantic event contribution from tsunami modeling Kaabouben F. Brahim A.I. Toto E. Baptista M.A. Miranda J.M. Soares P. Luis J.F. Journal of Seismology 2008 12 4 575–583 10.1007/s10950-008-9110-6 2008JSeis..12..575K 54881674http://deepblue.lib.umich.edu/bitstream/handle/2027.42/72996/j.1365-246X.1985.tb05148.x.pdf?sequence=1 Source process and tectonic implications of the great 1975 North Atlantic earthquake Lynnes C.S. Ruff L.J. Geophysical Journal of the Royal Astronomical Society 1985 82 3 497–510 10.1111/j.1365-246X.1985.tb05148.x free 1985GeoJ...82..497L 2027.42/72996 Damage was reported in Madeira, which is about 250 km away.https://earthquake.usgs.gov/learn/today/index.php?month=5&day=26&submit=View+Date Earthquake History for May 26th October 20, 2012 February 22, 2013 United States Geological Surveyhttp://www1.ci.uc.pt/nicif/riscos/downloads/t15/Uriel%20Abreu%20perigosidade%20natural.pdf Processos de perigosidade natural no Município de Câmara de Lobos – Madeira, contributo para a gestão do risco e de emergência February 22, 2013 Abreu U. Tavares A.O. Rodrigues D. Portuguese 53–71 A tsunami of 0.3 m in maximum water elevation was recorded in Lagos, Portugal and an eyewitness reported a 2 m on wave height at Ponta Delgada in the Azores. See also List of earthquakes in 1975 References Significant Earthquake Database https://www.ngdc.noaa.gov/nndc/struts/form?t=101650&s=1&d=1 https://web.archive.org/web/20060929000601/http://www.ngdc.noaa.gov/nndc/struts/form?t=101650&s=1&d=1 dead September 29, 2006 National Geophysical Data Center / World Data Service (NGDC/WDS) 1972 National Geophysical Data Center, NOAA 10.7289/V5TD9V7K PAGER-CAT Earthquake Catalog https://earthquake.usgs.gov/static/lfs/data/pager/catalogs/ September 4, 2009 United States Geological Survey Version 2008_06.1 External links 729431 North Atlantic earthquake, 1975 Category:1970s tsunamis