In Attack of the Clones we have a chase of Obi-Wan Kenobi by Jango Fett through an asteroid field wherein Fett detonates a series of "seismic charges".
The interesting things about the accompanying effect is the long delay between the visual effect and the sound effect.
Now, this is a depiction clearly inspired by a real world effect due to the difference in the speed of travel between light and sound. (It is readily apparent in the delay between observation of lightning and thunder.) Putting aside the question of what exactly the sound effect represents in space (It looks like it's supposed result from some kind of matter shockwave):