It starred a pre-Mr. Streisand James Brolin as NYPD officer Tom Phelan who leads a rag tag crew of Noo Yawkers through subway tunnels after a devastating shaker hits the Big Apple. The cast is a regular potpourri of great 70s character actors including James McEachin and Abbey Lincoln.
At about 1:45 in the attached video, hear Brolin and his hammy NYC accent utter the classic lane, “An OITHQUAKE…. in Noooo Yawk?!”