TRINIDAD, Colo. (CBS4) – The earth has been shaking in southern Colorado again after a magnitude 4.0 earthquake struck near the New Mexico-Colorado border Monday evening.

The quake was felt in both states. There was also a 3.4 quake 22 miles southwest of Trinidad.

There are no reports of injuries.

The quakes follow the strongest quake seen in Colorado in 40 years. Last month a magnitude 5.3 earthquake shook store shelves and damaged some homes in southern Colorado.

(credit: CBS)