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TitleThe 1860 magnitude 6.1 Charlevoix, Quebec, earthquake: macroseismic information and interpretation
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LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorLamontagne, MORCID logo; Burke, K B S; Olson, L
SourceGeological Survey of Canada, Open File 8793, 2021, 25 pages, https://doi.org/10.4095/328261 Open Access logo Open Access
Image
Year2021
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediaon-line; digital
File formatreadme
File formatpdf; rtf; xlsx (Microsoft® Excel®); kmz (Google® Earth®); docx (Microsoft® Word®); jpg
ProvinceQuebec; New Brunswick; Ontario
NTS21; 22; 30; 31; 40
AreaCharlevoix; St. Lawrence River; La Malbaie; Baie-St-Paul; Rivière-Ouelle; Kamouraska; Saguenay; Great Lakes; New Jersey; Canada; United States of America
Lat/Long WENS -82.0000 -64.0000 49.0000 40.0000
Subjectsgeophysics; Science and Technology; Nature and Environment; Health and Safety; Information and Communications; seismology; earthquakes; earthquake magnitudes; earthquake risk; earthquake damage; epicentres; landslides; mass wasting; history; geological history; depositional history; sedimentation rates; mud volcanoes; radiometric dating; radiocarbon dating; 1860 M6.1 Charlevoix Earthquake; Charlevoix Seismic Zone; Buildings; Digitization; Newspapers; Geographic data; Geographic information systems
Illustrationsphotographs; location maps; satellite images; profiles
ProgramPublic Safety Geoscience Intraplate Earthquakes
Released2021 05 03
AbstractThe Moment Magnitude (M) 6.1 Charlevoix earthquake occurred on October 17, 1860, at around 6:15 am local time. The epicentre was located in the Charlevoix Seismic Zone (CSZ), probably in the surroundings of the towns of La Malbaie, Baie-St-Paul and Rivière-Ouelle. The main shock was felt from New Brunswick to the east to Southern Ontario to the west and as far south as New Jersey, more than 800 km from the epicentre. Newspapers in Quebec City reported the damage caused by this earthquake in the regions of Charlevoix and Kamouraska, Quebec. There, damage was reported to many houses, and the intensity was greatest in the communities of Rivière-Ouelle, (south shore of the St. Lawrence River) and La Malbaie (north shore). Some damage to masonry was also reported in Quebec City, about 110 km from the epicentre. The Moment Magnitude is approximated to be 6.1 from a direct conversion from the assumed Local Magnitude (ML) 6.0. Based on the impact of other Charlevoix earthquakes, the region affected by the 1860 event is in general agreement with this magnitude. This Open File Report presents the macroseismic information and its ratings on the Modified Mercalli Intensity (MMI) Scale for a total of 91 locations in Canada (69) and the United States (22). For each locality, the felt information is rated on the MMI scale and tabulated in a Microsoft Excel spreadsheet. The original text of many of the newspaper accounts was copied and when possible, images of the newspaper clipping are added. The Open File also provides a GoogleEarth kmz file that allows the felt information reports to be viewed in a spatial tool.
Summary(Plain Language Summary, not published)
This Open File includes all felt information related to the Moment Magnitude (M) 6.1 Charlevoix earthquake that occurred on October 17, 1860. Original descriptions of impact at 91 municipalities and ratings on the Modified Mercalli intensity scale are included.
GEOSCAN ID328261

 
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