$100 Question Row 1. Located in the western United States, this volcano made news headlines when it erupted in 1980 after many years of dormancy. What is the name of this volcano?. . $100 Answer Row 1. Mt. Saint Helens. . Return. . . $200 Question Row 1. Though dormant now, this volcano erupted so dramatically about 2000 years ago that it covered the Roman town of Pompeii. What is the name of this volcano?.