Sensor rests near center of house slab which is pre-stressed concrete. 3 miles from CC Bay. WQ used for analysis. Concrete slab which sits on thick soil of unknown depth. Soil type currently unknown.
Bedrock is prob.
Currently constructing two strong motion 10 Hz geophone string. SDR 16 bit WWV board. Sandy, rocky desert. Sand and clay, The fall line is about 5 mile west of my location, About 15 Miles inland from the Atlantic Ocean. Rex Klopfenstein, Jr.