Synonyms for Unearthing:

n.

detection (noun)
unmasking.
discovery (noun)
locating.
excavation (noun)
Disinterring.
locating (noun)
Establishing, finding, digging up, spotting, Placing, Discovering.
location (noun)
locating.

v.

discovering (verb)
identifying, Discovering, digging up, disclosing, Fathoming, Educing, finding, Eliciting, Realizing, Disinterring, unraveling, determining, detecting, solving, unmasking, Recognizing, revealing, Exposing.
locating (verb)
posting, laying, Placing, putting, Establishing, setting, pinpointing, positioning, locating, Stationing, spotting, situating.