The seismometer, located at the Delaware Emergency Management Agency, is located on the Columbia Formation. The Columbia Formation is a fine to coarse, feldspathic quartz sand with varying amounts of gravel. It is primarily a body of glacial outwash sediment deposited in a cold climate during the middle Pleistocene.
Seismometer:Geospace Corp. HS-10 Short period
Amplifier: Emtel 6242 Gain -18dB
VCO: 2380 Hz
Elevation: 14 meters above sea level