These are comparison images before and after of the modification of "All Japan Terrain Scenery Detail Version" to fix the holes.
The position and direction of the place is N38*30.09' E141*32.03' ALT 2382 M HDG 285.

It is just what you see. A fissure at a part of mountains and holes at seashore area; all of them are fixed. This scene is at Ogatsu, Mono-gun, Miyagi JAPAN, the pond in the distance is Fuji-numa.

The information of a fixing patch for experiment etc. is ready at this page of Atatan.