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Northern Appalachians seismic zone

Last updated September 26, 2025

The Northern Appalachians seismic zone is an active seismic zone in the Appalachian Mountains of eastern North America, extending from New Brunswick southwards into New England and Boston.^[1] Both the seismic zone and the resultant Appalachian Mountains were created by the collision of two tectonic plates about 440–480 million years ago during the middle Ordovician Period.^[2]

References

↑ "Earthquake zones in Eastern Canada". Natural Resources Canada. October 13, 2009. Retrieved June 24, 2010.
↑ "GO 568 Appalachian Mountains". academic.emporia.edu. Archived from the original on May 18, 2013. Retrieved October 5, 2015.

45°N70°W / 45°N 70°W / 45; -70

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[1] "Earthquake zones in Eastern Canada". Natural Resources Canada. October 13, 2009. Retrieved June 24, 2010.

[2] "GO 568 Appalachian Mountains". academic.emporia.edu. Archived from the original on May 18, 2013. Retrieved October 5, 2015.

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