Question

1) The sun had nearly set when we reached home. Adverb qualify adverb
2) Modern trains can travel incredibly fast. - adverbs qualify adjective
3) The judges were utterly amazed at the performance.- Adverb qualify adjective
4) The bitterly cold winds have killed all the flowers.- Adverb qualify adjective

Are the following adverbs of degrees are correct?

10 years ago