The largest earthquake to strike Colorado in almost 40 years woke up hundreds of residents in the Colorado town of Trinidad around 11:46 p.m. last night. The large 5.3 quake was followed by two smaller aftershocks.

The quake is the largest in Colorado since a magnitude 5.7 was recorded in 1973, U.S. Geological Service geophysicist Amy Vaughn said. That one was centered in the northwestern part of the state – about 50 miles north of Grand Junction, she said.

A few homes have been damaged and deputies were investigating reports of rockslides along a highway, a Las Animas County Sheriff’s Office dispatcher said.

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