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  2. Canadian Arctic Rift System - Wikipedia

    en.wikipedia.org/wiki/Canadian_Arctic_Rift_System

    Earthquakes of magnitude 6.0 or greater have since been recorded in 1934, 1945, 1947 and 1957. [14] A linear belt of medium-amplitude earthquakes known as the Labrador Sea Seismic Zone is coincident with the extinct spreading axis of the Mid-Labrador Ridge. [15] Earthquakes as large as magnitude 5.0 have been recorded along this zone since 1982 ...

  3. Western Quebec seismic zone - Wikipedia

    en.wikipedia.org/wiki/Western_Quebec_Seismic_Zone

    Significant earthquakes associated with this seismic zone include the 1732 Montreal earthquake, the 1935 Timiskaming earthquake, the 1944 Cornwall–Massena earthquake, and the 2010 Central Canada earthquake. Between the years 1980 and 2000 there were 16 earthquakes stronger than a Richter 4.0, with many more of a lesser magnitude. The zone ...

  4. Category:Seismic zones of Canada - Wikipedia

    en.wikipedia.org/wiki/Category:Seismic_zones_of...

    Pages in category "Seismic zones of Canada" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. C.

  5. Saint Lawrence rift system - Wikipedia

    en.wikipedia.org/wiki/Saint_Lawrence_rift_system

    The Charlevoix region has been the location of at least five magnitude six or larger earthquakes over the last 350 years, including the 1925 Charlevoix–Kamouraska earthquake. At the Lower St Lawrence zone the largest recorded earthquakes are about magnitude five. Seismic studies indicate a crustal convergence across the Saint Lawrence valley ...

  6. Seismic zone - Wikipedia

    en.wikipedia.org/wiki/Seismic_zone

    Earthquake epicenters 1963–98. In seismology, a seismic zone or seismic belt is an area of seismicity potentially sharing a common cause. It can be referred to as an earthquake belt as well. It may also be a region on a map for which a common areal rate of seismicity is assumed for the purpose of calculating probabilistic ground motions.

  7. List of earthquakes in Canada - Wikipedia

    en.wikipedia.org/wiki/List_of_earthquakes_in_Canada

    Aftershock of 7.8 earthquake [10] 2012-10-28 Haida Gwaii 52.67 -132.60 0 0 ... Earthquakes Canada Recent earthquakes Archived 2012-08-19 at the Wayback Machine

  8. Researchers gain clearest picture yet of fault that threatens ...

    www.aol.com/news/big-one-researchers-gain...

    Over the past century, scientists have only observed five magnitude-9.0 or higher earthquakes — all megathrust temblors like the one predicted for the Cascadia Subduction Zone.

  9. Ottawa-Bonnechere Graben - Wikipedia

    en.wikipedia.org/wiki/Ottawa-Bonnechere_Graben

    The Ottawa-Bonnechere Graben measures about 700 km (435 mi), running from the Montreal area on the east to near Sudbury and Lake Nipissing on the west. [2] On the east, it joins the Saint Lawrence rift system, a half-graben which extends more than 1000 km along the Saint Lawrence River valley and links the Ottawa and Saguenay Graben.