@Miraz that is true of S and P waves though the earlier signal happened a few minutes before the quake. I think S-waves can get stopped at the core (liquid), a shadow if you will, but no idea if that can happen with a quake not on the other side of the world. These should be mostly P waves. Thinking a bit more, I think that’s when I got home from
Work and closed our front metal security door That’s awesome about your EQ detecting fine feathered friends!