Historical DGS Seismographs

Greenville (GEDE/P60A)2014-09-06 to present
Milford (MIDE/Q61A)2014-09-16 to 2016-10-26
White Clay Creek State Park (NED)2009-10-26 to present
Sussex County (SCOM), DEMA, Bellvue (BVD) and Brandywine (BWD) Parks2009-10-26 to 2015-12-01