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

  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.

45°N 70°W / 45°N 70°W / 45; -70


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