The 1989 Ungava earthquake occurred at 09:24 local time (14:24 UTC) on 25 December to the north of Lac Bécard in a remote part of the Ungava Peninsula in northern Quebec.[1] It had a magnitude of 6.3 on the surface wave magnitude scale and 6.2–6.5 on the moment magnitude scale and a maximum felt intensity of only IV (Light) on the Mercalli intensity scale, due to its remoteness from any inhabited areas.[2] The mainshock was preceded by a magnitude 5.1 foreshock ten hours earlier. It was the first earthquake in eastern North America known to be associated with ground rupture.[1]
^ abCite error: The named reference NRC_1989 was invoked but never defined (see the help page).
^Lamontagne, M.; Halchuk, S.; Cassidy, J.F.; Rogers G.C. (2007). Significant Canadian Earthquakes 1600–2006. Open File. Vol. 5539. Geological Survey of Canada.
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west by Nares Strait, a probable transform fault; on the southwest by the Ungava transform underlying Davis Strait; on the southeast by the Mid-Atlantic...
notable fault, but only major fault zones.[clarification needed] Lists of earthquakes Tectonics Yeats, R. (2012), Active Faults of the World, Cambridge University...
large as magnitude 5.0 have been recorded along this zone since 1982. The Ungava Fault Zone is a major tectonic feature of Davis Strait separating the failed...
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eastern shores of the Hudson Bay, from the southern tip of James Bay to Ungava Bay in the north. This has had the consequence of diverting the flow of...
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Penguin, 1989 p.167-168. Newman, Peter Empire of the Bay, London: Penguin, 1989 p.252. Newman, Peter Empire of the Bay, London: Penguin, 1989 p.575-576...
Environmental history of the United States Martin, Paul S.; Klein, Richard G. (1989). Quaternary Extinctions: A Prehistoric Revolution. University of Arizona...
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