Tremors is a 1990 American western monster film produced by Gale Anne Hurd, Brent Maddock, and S. S. Wilson, directed by Ron Underwood, and written by Maddock, Wilson, and Underwood. Tremors stars Kevin Bacon, Fred Ward, Finn Carter, Michael Gross, and Reba McEntire and was released by Universal Studios, the first installment of the Tremors franchise. Wikipedia
Earl Bassett: Hey, Rhonda you ever seen anything like this before?
Valentine McKee: Oh, sure Earl. Everyone knows about them we just didn't tell you.