"Your sub-stratum makes my lava flow, and that's all you need to know."
You won't be able to get that tune out of your head! I can't.
Anyway, I digress. You see the beautiful subduction zones above and below this earthquake, and the mess in-between. Yuck! Lots of motion in this mess, and one wonders what the max earthquake can be. It'll do 8's, but no 9's. I don't think this earthquake had much PGV. We wait to see the news.