Revealing mistake: It's very clear they blew up a model of the buildings. The grass seen just before the explosions is way too long and is not as long when the characters are running away. Further, the truck and the barrels have disappeared at the explosion shot.
Tremors 2 (1996)
Plot summary
Directed by: S.S. Wilson
Starring: Fred Ward, Michael Gross, Helen Shaver, Chris Gartin, Christopher Gartin
Burt is called to take care of graboid trouble in Mexico. Two Mexicans find a split open graboid after their truck breaks down. They find the radio station torn to pieces and walking creatures attack them. They kill one and take off in a van. The girl at the town is attack by one and the Mexicans kill it. Burt arrives, out of ammo, and with a live Shrieker. They discover Shriekers heat-seek and reproduce by eating. A Shrieker that hitched a ride on Burt's truck and eats. Soon the town is overrun with Shriekers.
Steve
Earl Bassett: You want to hunt graboids, you better know geology. You drive, I'm going to keep my eye on this seismojigger thing.
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Answer: Trouble by Travis Tritt.