This repository contains 518,207 tweet ids for #thisisacoup sent between July 12, 2015 at 18:01:56 and July 14 10:33:00 (UTC). To create a full JSON dataset for these tweets install twarc and:
twarc.py --hydrate ids.txt > tweets.json
It looks like this is the tweet that kicked it off:
Only 441 of these tweets are geo-coded but you can see them on a map here.