Device columns are what it worked out before this earthquake was folded into its models. Replayed events excluded.

PGA is peak ground acceleration in g. The frequency is a zero-crossing rate on a rectified signal, so it runs about twice the true ground-motion frequency.

The catalogue supplied the instant; the station never triggered on these. z is how far its recorded envelope stood above the local noise of the preceding three minutes. Peak, rms and baseline are in g.