Yes, but it's "crude", and therefore not very high resolution. I've never seen anything high enough resolution to discover bone fragments. The same technology is used for oil and gas exploration.

See:

https://en.wikipedia.org/wiki/Ground-penetrating_radar

https://en.wikipedia.org/wiki/Reflection_seismology

https://corporate.exxonmobil.com/energy-and-environment/tool...

https://www.pgs.com/imaging/