dynamic deformation of terrain

can terrain be dynamically deformed in unity. as in if i create an explosion can i show that the terrain is deformed due to its impact. or may be i have weapon that create holes in the terrain. can these things be done with unity.?

This has been asked before.

http://answers.unity3d.com/questions/12337/is-in-game-environmental-changes-possible

thank you very much..

of course you can.
just use the SetHeights function and combine with splatPrototype.