A meteor crashes into Oregon's Crater Lake, warming the water and releasing a dinosaur egg. Months later, the lake's fish vanish and a massive dinosaur begins hunting cattle and humans for food.
The Crater Lake Monster
A massive meteor impact in Oregon's Crater Lake uncovers a long-dormant dinosaur egg, which promptly hatches due to the intense heat. The newly emerged creature begins wreaking havoc by devouring the nearby inhabitants.