English: Locations of historical earthquakes (Sykes and
others, 2006) shows ranges of magnitudes. The blue and gray polygons summarize the long-term vertical ground motion from 2009 CORS data. The Beemerville and Cortland intrusive complexes are marked for reference. Straight yellow lines are seismogenic lineaments of Sykes and others (2006). Current crustal stress directions are summarized using gray 3D arrows.
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