In areas with heavy fracking (e.g. northern Pennsylvania around Dimock) there are trucks from companies like GeoKinetics and Halliburton everywhere and they are purposely trying to create mini earthquakes to get access to the shale. It is pretty common knowledge that there have been more tremors and seismic activity since fracking started. As far as damage reports go, the gas companies (and I assume also the oil companies) ensure every settlement includes a nondisclosure agreement so that no one can talk about the damage if they want money. This is why so many homes no longer have safe drinking water, many people have fallen ill from cancers and similar ailments, and yet there is almost no reporting on it.

Source: I ran a site for a while where people posted images and stories of how natural gas drilling had ruined their lives or caused environmental harm. We would try to get as much info from people as we could before they signed the NDAs for the settlement money and never talked about it again