( CNN ) -- A moderate 5.3-magnitude earthquake that rattled southern Colorado early Tuesday morning was the largest to hit the state in more than 40 years , the U.S. Geological Survey said . The quake 's epicenter was seven miles southwest of Cokedale , and 180 miles south of Denver . There were no immediate reports of casualties . A dispatcher at the sheriff 's office in Las Animas County , which includes Cokedale , said the quake lasted almost 30 seconds . The office received reports of rocks falling on a highway and of some structure damage . It was the largest in a series of earthquakes that struck the area . As of 5 a.m. local time ( 7 a.m . ET ) , the USGS reported seven quakes centered just south of Cokedale since midnight . Amy Vaughan of the USGS said the 5.3 magnitude ties that of an earthquake Colorado suffered on August 9 , 1967 . In 1973 , the USGS originally reported a quake with a magnitude of 5.7 , but it turned out that was caused by an explosion , Vaughan said . The largest recorded quake to hit Colorado had a magnitude of 6.5 on Nov. 7 , 1882 , near Rocky Mountain National Park , Vaughan said . CNN 's Samuel Gardner III and Josh Levs also contributed to this report .
The 5.3-magnitude quake ties a quake in 1967 . The quake is one of several to hit the area Tuesday . TL;DR A powerful earthquake struck off Mexico's Pacific coast Tuesday, killing at least five people and injuring more than 100 others. There were no immediate reports of casualties .