The Towering Inferno
The trend reached its zenith in 1974 with the release of "The Towering Inferno", "Earthquake" and "Airport 1975" (the first "Airport" sequel). The competing films enjoyed staggering success at the box office, with "The Towering Inferno" earning $116 million - 548 million in 2017 adjusted dollars, "Earthquake" $79 million - 376 million in 2017 adjusted dollars, and "Airport 1975" $47 million - 235 million in 2017 adjusted dollars - in theatrical rentals.