Denver (AP) - A magnitude 3.0 earthquake vibrated a relatively uninhabited area of Garfield County in northwest Colorado at around 2 a.m. Friday.
Geophysicist Paul Caruso says the epicenter was about 17 miles northwest of Gypsum.
The U.S. Geological survey in golden says the quake was so small that no one reported feeling it and nothing was damaged.
Caruso says it's an unusual area for an earthquake because “it's not on a plate boundary.”
The biggest earthquake ever recorded in Colorado was magnitude 6.6 in 1882.
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