Earthquake?

A few minutes ago, things started to fall off the shelves in our shower. There was nothing near and nothing bumping things as best I could tell. (As it happens I was only a few feet away from the shower.)

I quickly checked the USGS website and discovered that, within a minute of the things falling off the wall there was this earthquake just off San Clemente Island.

Initial estimate puts it at a 3.1 earthquake, which is nothing, and over 360 miles away.

I my memory serves me right, earthquake waves travel somewhere between 2.5 and 5 miles per second, which would have put the wave here within 2 minutes.

I find it hard to believe it was the shock of such a tiny earthquake so far away, but the alternative is ghosts…

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