If something is indented, its edge or surface is uneven because parts of it have been worn away or cut away. (Abbyy lingvo)

articolato is the equivalent of diversified which is often used in geographical descriptions to indicate variations of the territory

Sentence Examples
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The surface of the department consists of undulating and well-wooded plains, intersected by numerous valleys, and diversified in the north-east by hilly ground which forms a part of the mountain system of the Ardennes.
- The great extent of Argentina in latitude - about 33° - and its range in altitude from sea-level westward to the permanently snow-covered peaks of the Andes, give it a highly diversified climate,, which is further modified by prevailing winds and mountain barriers..
The island is diversified in its surface, and is traversed from north to south by an elevated mountain range, the highest point of which is called Atairo (anc. Atabyris or Atabyrium) (4560 ft.).
Throughout the whole of this vast area, their monotonous surfaces are diversified by only a few, and, for the most part, low, hilly tracts.
Of this line the forests are of great extent and densely grown, more frequently diversified by marshes than by meadows or cultivated fields.


Read more at http://thesaurus.yourdictionary.com/diversified#mixKgLdjDHGG...

examples of craggy or cragged coastline-a common collocation

http://www.oxfordlearnersdictionaries.com/definition/english...

https://books.google.it/books?id=f0G3BQAAQBAJ&pg=PA15&lpg=PA...

These included colourful fishing boats in Mediterranean harbours, cragged Scandinavian fjord scenes, sunny beaches in Brazil, mudflat hikers on the North Sea coast and much more.

This is a town on the southwest of the Tramuntana mountain range with a spectacular landscape featuring farming terraces and a cragged coastline that extends from Racó de S'Algar to Port del Canonge.