At the end of "Infantino Street," HR tells Cisco "until next time" but, in the flashback during "Finish Line" he says "until the next one."
Julian mentions an earthquake measured on the Richter Scale. Scientists haven't used this scale for decades, the correct use would have been on the Moment Magnitude Scale. However, the Richter Scale is more commonly used by the general public, and Julian is a forensic expert rather than a geologist, which would explain his usage of the more familiar term.