Beau Bridges, Kim Delaney, David Cubitt and John Cassini are the only actors to reprise their roles from the previous film.

Though it aired two years after the previous film, it's set just a few days after it.

Despite having "special guest appearance" billing, Frank Langella is actually quite featured throughout it.

Despite still using the title from the previous film, no more earthquakes with the high magnitude of 10.5 happen, this film is a continuation after the event.

When it aired, it was giving TV viewers nausea due to camera shaking and 'zoom-in' shots on most of the cuts.