The seismometer, located on the property of the Sussex County Emergency Operation Center, is positioned on the Beaverdam Formation. The Beaverdam Formation is a very coarse sand with beds of fine to medium sand. It is interpreted to be a Pliocene fluvial to estuarine deposit.

Seismometer: Geospace Corp HS-10-1/B Short period Vertical
Amplifier: Emtel 6242 Gain -18dB
VCO: 1020 Hz

Latitude: 38.69567
Longitude: -75.36271
Elevation: 15 meters above sea level