Lockloss from NOMINAL_LOW_NOISE
https://ldas-jobs.ligo-wa.caltech.edu/~lockloss/index.cgi?event=1382320306
This happened while Dave , Patrick , And Nioki were trying to resolve the camera issue that was preventing H! from going into OBSERVING.
We did get a small Earthquake roll through at the time, though I'm not sure if the earthquake was what took us down, as the earthquake was very small and wind was mildly elevated as well.