I’ve been doing some research on seismic testing for a friend. Here’s are some resources:
Seismic Exploration in Urban Areas
The mechanics of thumper trucks generally require that they not be used on paved surfaces because of the force of the impact which can break or disintegrate concrete or asphalt road surfaces. Crews laying out cables can crush landscape beds, break bushes or trees, or leave fences and gates open allowing pets or livestock to get out.
Shock waves emitted by the trucks can also panic or stress livestock and ribbon flags and trash left behind by seismic crews can harm livestock and native species through ingestion.
Some reports of damages to foundations and buildings have been publicized when thumper trucks are used in close proximity to structures but setback restrictions incorporated in documents should minimize the possibility of such damages.
Keen also expressed concern about damage to county roads. He said similar testing in 1994 left some roads impassable.
Causes of a Cracked Foundation
The most common cause of a home’s cracked foundation is dryness in the surrounding soil. This is particularly prevalent during the hot summer months when rainfall is slack. It’s easy to spot when problems are on the way – the soil draws away from the concrete slab at the edges of the home.
Another culprit that eventually leads to cracked foundation repair is seismic testing. This is often used as a geophysical testing method for petroleum exploration. During these tests, the ground is soundly “thumped” using a mechanical device, and the reflected vibrations paint a picture of the subterranean composition.
The Consequences of Seismic Testing
Unfortunately, seismic testing for oil or gas exploration can result in foundation damage in homes that are in the vicinity. Both the initial and the reflective jolts can damage a concrete slab. Too often municipal governments give permission for these tests without alerting residents.
Of course, legal proceedings can mandate that “big oil” pay for the residential foundation damage that they incur, but it’s worth it to them if they hit pay dirt.