PA Department of Conservation & Natural ResourcesEpicenters of earthquakes that occurred in Pennsylvania between 1724 and July 31, 2003. Positional accuracy is variable.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/6b60bb5c61b047d38397dd1c96349cdf_0engPennsylvania Department of Conservation and Natural Resources Open Data PortalPublicEarthquakes in Pennsylvania (1724–2003) [Pennsylvania]Web servicesPennsylvania2003