M 6.8 - 66km WSW of Constitucion, Chile (wa originally pegged at M7.2)
Usualy Iswitch right away, while Z BLRMS is around 40. Switched with Z BLRMS at around 300 (advice has been to wait, so maybe this was too long of a wait?), and CPSFF spiked to -2000 and broke the lock.