VALDEZ, Colo. (AP) — The strongest earthquake to hit Colorado in more than four decades startled thousands of residents along the New Mexico border as it toppled chimneys, cracked walls and triggered minor rockslides in the arid, mountainous region. No injuries were reported Tuesday.

Monday night's magnitude-5.3 earthquake struck just hours before a magnitude-5.9 temblor in Virginia — also rare for that area — shook much of Washington, D.C., and the East Coast.

Small aftershocks rattled the region about 180 miles south of Denver but caused no further damage.

The quake hit at 11:46 p.m. MDT Monday about nine miles southwest of Trinidad, according to the U.S. Geological Survey's National Earthquake Information Center in Golden. It had an estimated depth of 2.5 miles and was felt in a relatively large area of southern Colorado and northern New Mexico.

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