Beijing Anomaly

But they both involve water! That's proof.

I've told them repeatedly. Someone on these forums (I forget who) has my comments on this subject as his signature.

Nothing. "Anomaly" in geology doesn't mean the same thing as it means in the philosophy of science --- in geology, an anomaly is just a reading which is different from the average or background signal. So the answer to this question ... ... is, again, nothing. All active subduction zones have anomalies associated with them, because the slab of crust sinking into the mantle looks different from the mantle.Edited by Dr Adequate, : No reason given.