That's the number of conservatives who Twatter has banned and removed? Seems the most logical explanation to me!
You want to see more on seismic "waves?"
Watch this guy when he does an "update."
https://www.twitch.tv/dutchsinseofficial
BTW, 5.5 is a respectable magnitude, but since they can go up to 8+, this is hardly anything to write home about.