Hmmm, could be 4mo sleep regression, but LOs usually start coming out of it by around 19-20wks, especially if they can self settle for naps and at BT, like your LO can.
Could she be teething and waking from naps and at night from the discomfort?
The other thing might be that she needs a bit more A time in the day? I wonder if she's taking short naps as not tired enough but then getting over tired by the end of the day from only having shirt naps thus giving you NWs due to OT?
Crying when waking at night like that is usually OT, pain or hunger for us.
If you think she might be teething, try some pain meds before naps and BT.
If not, then try increasing her A time before her first nap by 15-30 mins (usually done in 10-15min increments every 2-3 days). She might also need an A time increase before the next nap too. 1hr10-15naps are sometimes a touch undertired.
If you increase her A times and get longer naps, you'll probably find you need to cut the 3rd nap quite short to maintain BT.... In which case you'll be at the start of the 3-2 transition!
Have a look at these links for more info:
Average A times- BOOKMARK ME! All about the 3-2 transition- 5/6 months