My own custom world generating heightmap software

[Erior]

Converging oceanic produces subduction and a trench as with oceanic-continental, the corresponding volcanic arc tends to form a chain of islands. There's a lot of it in the western Pacific: Japan, the Philippines, the Marianas, the Aleutians, etc. The first two are complicated by involving triple junctions rather than just simple faults.

Yep, thanks for reminding me that ;-). Was too lazy/otherwise occupied to perform a real research in my brain