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- Saint_Lawrence_rift_system abstract "The Saint Lawrence rift system is a seismically active zone paralleling the Saint Lawrence River. The rift system trends northeast and southwest and forms a half-graben that links the Ottawa-Bonnechere and the Saguenay grabens. The rift system extends more than 1,000 km (620 mi) along the Saint Lawrence valley from the Ottawa – Montreal area. Within the system, fault reactivation is believed to occur along late Proterozoic to early Paleozoic normal faults related to the opening of the Iapetus Ocean.Two significant historically active seismic zones occur along this system associated with northwest trending intersecting graben structures. 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 of about .5 mm (0.020 in) per year.The earthquakes of the Charlevoix Seismic Zone are thought to be related to the re-activation of ancient fault structures by the Charlevoix impact event.".
- Saint_Lawrence_rift_system wikiPageID "11870517".
- Saint_Lawrence_rift_system wikiPageLength "2408".
- Saint_Lawrence_rift_system wikiPageOutDegree "25".
- Saint_Lawrence_rift_system wikiPageRevisionID "663200987".
- Saint_Lawrence_rift_system wikiPageWikiLink 1925_Charlevoix–Kamouraska_earthquake.
- Saint_Lawrence_rift_system wikiPageWikiLink 1944_Cornwall–Massena_earthquake.
- Saint_Lawrence_rift_system wikiPageWikiLink Category:Geology_of_Quebec.
- Saint_Lawrence_rift_system wikiPageWikiLink Category:Plate_tectonics.
- Saint_Lawrence_rift_system wikiPageWikiLink Category:Rift_valleys.
- Saint_Lawrence_rift_system wikiPageWikiLink Category:Seismic_faults_of_Canada.
- Saint_Lawrence_rift_system wikiPageWikiLink Category:Structural_geology.
- Saint_Lawrence_rift_system wikiPageWikiLink Charlevoix.
- Saint_Lawrence_rift_system wikiPageWikiLink Charlevoix_Seismic_Zone.
- Saint_Lawrence_rift_system wikiPageWikiLink Charlevoix_crater.
- Saint_Lawrence_rift_system wikiPageWikiLink Earthquake.
- Saint_Lawrence_rift_system wikiPageWikiLink Fault_(geology).
- Saint_Lawrence_rift_system wikiPageWikiLink Graben.
- Saint_Lawrence_rift_system wikiPageWikiLink Iapetus_Ocean.
- Saint_Lawrence_rift_system wikiPageWikiLink List_of_earthquakes_in_Canada.
- Saint_Lawrence_rift_system wikiPageWikiLink Montreal.
- Saint_Lawrence_rift_system wikiPageWikiLink Ottawa.
- Saint_Lawrence_rift_system wikiPageWikiLink Ottawa-Bonnechere_Graben.
- Saint_Lawrence_rift_system wikiPageWikiLink Paleozoic.
- Saint_Lawrence_rift_system wikiPageWikiLink Proterozoic.
- Saint_Lawrence_rift_system wikiPageWikiLink Rift.
- Saint_Lawrence_rift_system wikiPageWikiLink Saguenay_Graben.
- Saint_Lawrence_rift_system wikiPageWikiLink Saint_Lawrence_River.
- Saint_Lawrence_rift_system wikiPageWikiLink Seismology.
- Saint_Lawrence_rift_system wikiPageWikiLinkText "Saint Lawrence rift system".
- Saint_Lawrence_rift_system wikiPageWikiLinkText "Saint Lawrence rift".
- Saint_Lawrence_rift_system wikiPageUsesTemplate Template:Canada-geology-stub.
- Saint_Lawrence_rift_system wikiPageUsesTemplate Template:Convert.
- Saint_Lawrence_rift_system wikiPageUsesTemplate Template:Faults.
- Saint_Lawrence_rift_system wikiPageUsesTemplate Template:Reflist.
- Saint_Lawrence_rift_system wikiPageUsesTemplate Template:Tectonics-stub.
- Saint_Lawrence_rift_system wikiPageUsesTemplate Template:US-geology-stub.
- Saint_Lawrence_rift_system subject Category:Geology_of_Quebec.
- Saint_Lawrence_rift_system subject Category:Plate_tectonics.
- Saint_Lawrence_rift_system subject Category:Rift_valleys.
- Saint_Lawrence_rift_system subject Category:Seismic_faults_of_Canada.
- Saint_Lawrence_rift_system subject Category:Structural_geology.
- Saint_Lawrence_rift_system type Fault.
- Saint_Lawrence_rift_system type Redirect.
- Saint_Lawrence_rift_system comment "The Saint Lawrence rift system is a seismically active zone paralleling the Saint Lawrence River. The rift system trends northeast and southwest and forms a half-graben that links the Ottawa-Bonnechere and the Saguenay grabens. The rift system extends more than 1,000 km (620 mi) along the Saint Lawrence valley from the Ottawa – Montreal area.".
- Saint_Lawrence_rift_system label "Saint Lawrence rift system".
- Saint_Lawrence_rift_system sameAs Q7401636.
- Saint_Lawrence_rift_system sameAs Rift_du_Saint-Laurent.
- Saint_Lawrence_rift_system sameAs m.02rw8n5.
- Saint_Lawrence_rift_system sameAs Q7401636.
- Saint_Lawrence_rift_system wasDerivedFrom Saint_Lawrence_rift_system?oldid=663200987.
- Saint_Lawrence_rift_system isPrimaryTopicOf Saint_Lawrence_rift_system.